Standard Lemma guide

hemicycle

noun · 3 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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A semicircle.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A semicircular structure.

Definition source: English Wiktionary via Wiktextract

Topics: architecture

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a plane figure with the shape of half a circle

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: semicircle

Antonyms: none provided

Broader terms: plane figure, two-dimensional figure

History

Etymology

Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Ancient Greek ἡμῐ- (hēmĭ-)lbor. English hemi- Proto-Indo-European *kwel- Proto-Indo-European *kwékwlos Ancient Greek κῠ́κλος (kŭ́klos)der. Late Latin cyclusbor. Middle English cicle English cycle English hemicycle From hemi- + cycle.

Across languages

Translations

13 source translations are retained for this English entry.

  • Catalan: hemicicle — semicircle — see also semicircle
  • Faroese: hálvsirkul — semicircle — see also semicircle
  • Faroese: hálvringur — semicircle — see also semicircle
  • French: hémicycle — semicircle — see also semicircle
  • German: Halbkreis — semicircle — see also semicircle
  • Greek: ημικύκλιο (imikýklio) — semicircle — see also semicircle
  • Italian: emiciclo — semicircle — see also semicircle
  • Russian: полукру́г (polukrúg) — semicircle — see also semicircle
  • Ukrainian: півко́ло (pivkólo) — semicircle — see also semicircle
  • Catalan: hemicicle — semicircular architectural structure
  • French: hémicycle — semicircular architectural structure
  • Italian: emiciclo — semicircular architectural structure
  • Russian: полукру́г (polukrúg) — semicircular architectural structure