trochlea
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English
Etymology
Borrowed from Latin trochlea (“case or sheaf containing one or more pulleys, block”).
Pronunciation
- (Received Pronunciation) IPA(key): /ˈtɹɒk.li.ə/
- (General American) IPA(key): /ˈtɹɑk.li.ə/
Noun
trochlea (plural trochleae or trochleas)
- (anatomy) 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.
- A pulley-like cartilage through which the superior oblique muscle of the eyeball passes.
Derived terms
Translations
structure resembling a pulley
References
- “trochlea”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “trochlea”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
Further reading
- “trochlea”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- “trochlea”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC.
- “trochlea”, in OneLook Dictionary Search.
Anagrams
Latin
Alternative forms
Etymology
Contracted from Ancient Greek τροχῐλείᾱ (trokhileíā, “pulley, block-and-tackle equipment”), from τροχῐ́λος (trokhílos, “sheave in block-and-tackle equipment”) + -είᾱ (-eíā, nominal suffix).
Pronunciation
- (Classical Latin) IPA(key): /ˈtro.kʰle.a/,
- (modern Italianate Ecclesiastical) IPA(key): /ˈtro.kle.a/,
Noun
trochlea f (genitive trochleae); first declension
- mechanical contrivance for raising weights; case or sheaf containing one or more pulleys; pulley block
Inflection
First-declension noun.
| singular | plural | |
|---|---|---|
| nominative | trochlea | trochleae |
| genitive | trochleae | trochleārum |
| dative | trochleae | trochleīs |
| accusative | trochleam | trochleās |
| ablative | trochleā | trochleīs |
| vocative | trochlea | trochleae |
Descendants
References
- “trochlea”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press