Standard Lemma guide

meniscus

noun · 7 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.

  • UK, US: /məˈnɪs.kəs/
  • UK, US: /mɛˈnɪs.kəs/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪskəs

1

noun

Meaning 1

A crescent moon, or an object shaped like it.

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 lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, optics, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

(physics) the curved upper surface of a nonturbulent liquid in a vertical tube

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: surface

6

noun

Meaning 6

(optics) a lens that is concave on one side and convex on the other

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: lens, lense, lens system

7

noun

Meaning 7

(anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: semilunar cartilage

Antonyms: none provided

Broader terms: cartilage, gristle

History

Etymology

Etymology tree Proto-Indo-European *meh1-? Proto-Indo-European *mḗh1n̥s Proto-Hellenic *méns Ancient Greek μείς (meís) Proto-Indo-European *-iskos Ancient Greek -ῐ́σκος (-ĭ́skos) Ancient Greek μηνῐ́σκος (mēnĭ́skos) English meniscus From Ancient Greek μηνίσκος (mēnískos, “crescent”), from μήνη (mḗnē, “moon”). Piecewise doublet of moonish.

Across languages

Translations

39 source translations are retained for this English entry.

  • Bulgarian: мени́скус (menískus) — the curved surface of liquids
  • Catalan: menisc — the curved surface of liquids
  • Chinese Mandarin: 彎月面 /弯月面 (wānyuèmiàn) — the curved surface of liquids
  • Finnish: meniski — the curved surface of liquids
  • Finnish: kaareva pinta — the curved surface of liquids
  • French: ménisque — the curved surface of liquids
  • German: Meniskus — the curved surface of liquids
  • Italian: menisco — the curved surface of liquids
  • Latvian: menisks — the curved surface of liquids
  • Māori: mata kōpapa — the curved surface of liquids
  • Persian: خمودگی سطح مایع — the curved surface of liquids
  • Polish: menisk — the curved surface of liquids
  • Portuguese: menisco — the curved surface of liquids
  • Russian: мени́ск (menísk) — the curved surface of liquids
  • Spanish: menisco — the curved surface of liquids
  • Ukrainian: мені́ск (menísk) — the curved surface of liquids
  • Finnish: puolikuu — a crescent
  • French: ménisque — a crescent
  • Russian: мени́ск (menísk) — a crescent
  • Arabic: هِلَالَة (hilāla) — either of two parts of the human knee
  • Belarusian: мені́ск (mjenísk) — either of two parts of the human knee
  • Bulgarian: мени́скус (menískus) — either of two parts of the human knee
  • Catalan: menisc — either of two parts of the human knee
  • Chinese Mandarin: 半月板 (bànyuèbǎn) — either of two parts of the human knee
  • Czech: meniskus — either of two parts of the human knee
  • Finnish: nivelkierukka — either of two parts of the human knee
  • French: ménisque — either of two parts of the human knee
  • German: Meniskus — either of two parts of the human knee
  • Italian: menisco — either of two parts of the human knee
  • Japanese: 半月板 (hangetsuban) — either of two parts of the human knee
  • Korean: 반달연골 (bandaryeon'gol) — either of two parts of the human knee
  • Latvian: menisks — either of two parts of the human knee
  • Polish: łękotka — either of two parts of the human knee
  • Portuguese: menisco — either of two parts of the human knee
  • Russian: мени́ск (menísk) — either of two parts of the human knee
  • Spanish: menisco — either of two parts of the human knee
  • Swedish: menisk — either of two parts of the human knee
  • Turkish: menisküs — either of two parts of the human knee
  • Ukrainian: мені́ск (menísk) — either of two parts of the human knee