Standard Lemma guide

trochlea

noun · 2 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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  • Received-Pronunciation: /ˈtɹɒk.li.ə/
  • General-American: /ˈtɹɑk.li.ə/

1

noun

Meaning 1

A structure resembling or acting like a pulley.

In the elbow joint, the articular surface of the lower extremity of the humerus, grasped by the trochlear notch of the ulna.

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

2

noun

Meaning 2

A structure resembling or acting like a pulley.

A pulley-like cartilage through which the superior oblique muscle of the eyeball passes.

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

History

Etymology

Borrowed from Latin trochlea (“case or sheaf containing one or more pulleys, block”).

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Mandarin: 滑車 /滑车 (huáchē) — structure resembling a pulley
  • Finnish: troklea — structure resembling a pulley
  • Irish: ulóg — structure resembling a pulley
  • Italian: troclea — structure resembling a pulley
  • Macedonian: трохле́ја (trohléja) — structure resembling a pulley
  • Polish: bloczek kości ramiennej — structure resembling a pulley
  • Spanish: tróclea — structure resembling a pulley
  • Telugu: గిలక (gilaka) — structure resembling a pulley