Standard Lemma guide

roc

name · noun · 15 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • rŏk
  • /ɹɒk/
  • homophone: rock
  • homophone: rawk
  • rhymes with -ɒk
  • CMU ARPABET: R AA1 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

Initialism of Republic of China (all senses).

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Examples

  • Near-synonym: China

Meaning relationships

Synonyms: China

Antonyms: none provided

2

name

Meaning 2

Initialism of Republic of China (all senses).

Taiwan ROC.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: China

Antonyms: none provided

3

name

Meaning 3

Initialism of Republic of China (all senses).

A former sovereign state of China, 1912–1949; dissolved by the declaration of the People's Republic.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: China

Antonyms: none provided

4

name

Meaning 4

The "Rest of Canada", i.e. Canada excluding the province of Quebec.

Definition source: English Wiktionary via Wiktextract

Usage: Canada

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

Abbreviation of Republic of (the) Congo, Congo-Brazzaville.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

Abbreviation of Russia(n) Olympic Committee.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

name

Meaning 7

Abbreviation of Race of Champions.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: hobbies, lifestyle, motor-racing, racing, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

name

Meaning 8

Abbreviation of Russian Orthodox Church.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

name

Meaning 9

The Royal Observer Corps, a former United Kingdom defence organization (1925 to 1992).

Definition source: English Wiktionary via Wiktextract

Usage: UK, historical

Topics: government, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

name

Meaning 10

Alternative form of ROC (R of C)

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

An enormous mythical bird in Eastern legend.

Definition source: English Wiktionary via Wiktextract

Examples

  • The Arabian Nights Entertainment. Tale 4. Sinbad. The Second Voyage. "By this time the sun was about to set, and all of a sudden the sky became as dark as if it had been covered with a thick cloud. I was much astonished at this sudden darkness, but much more when I found it occasioned by a bird of a monstrous size, that came flying toward me. I remembered that I had often heard mariners speak of a miraculous bird called Roc, and conceived that the great dome which I so much admired must be its egg. In short, the bird alighted, and sat over the egg. As I perceived her coming, I crept to the egg, so that I had before me one of the legs of the bird, which was as big as the trunk of a tree. I tied myself strongly to it with my turban, in hopes that the roc next morning would carry me with her out of this desert island. After having passed the night in this condition, the bird flew away as soon as it was daylight, and carried me so high, that I could not discern the earth;

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

Rocuronium.

Definition source: English Wiktionary via Wiktextract

Usage: colloquial

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

Initialism of region of convergence.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

Initialism of receiver operating characteristic.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: broadcasting, mathematics, media, radio, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

mythical bird of prey having enormous size and strength

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: mythical monster, mythical creature

History

Etymology

From Spanish rocho, ruc, from Arabic رُخّ (ruḵḵ), from Classical Persian رُخ (rux).

Across languages

Translations

15 source translations are retained for this English entry.

  • French: COR — Russian Olympic Committee, an organization
  • Polish: RKO — Russian Olympic Committee, an organization
  • Russian: ОКР (OKR) — Russian Olympic Committee, an organization
  • Polish: RKP — Russian Orthodox Church
  • Russian: РПЦ (RPC) — Russian Orthodox Church
  • Arabic: رُخّ (ruḵḵ) — enormous mythical bird in Eastern legend
  • Chinese Mandarin: 鵬 /鹏 (péng) — enormous mythical bird in Eastern legend
  • Chinese Mandarin: 大鵬 /大鹏 (dàpéng) — enormous mythical bird in Eastern legend
  • Dutch: rok — enormous mythical bird in Eastern legend
  • Esperanto: birdo Roĥo — enormous mythical bird in Eastern legend
  • Finnish: rok — enormous mythical bird in Eastern legend
  • German: Rokh — enormous mythical bird in Eastern legend
  • German: Roch — enormous mythical bird in Eastern legend
  • Persian: رخ (roxx) — enormous mythical bird in Eastern legend
  • Russian: рух (rux) — enormous mythical bird in Eastern legend