trochlea

American

[trok-lee-uh] / ˈtrɒk li ə /

noun

Anatomy.

plural

trochleae, trochleas

a pulleylike structure or arrangement of parts.

trochlea British

/ ˈtrɒklɪə /

noun

any bony or cartilaginous part with a grooved surface over which a bone, tendon, etc, may slide or articulate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trochlea

1685–95; < Latin: pulley block or sheave < Greek trochiléa, trochil ( e ) ía; akin to tróchilos sheave, runner, akin to tréchein to run

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Trochlea: the thickened base of the hind wings in Cicada: in Trichoptera a small elliptical space at base of hind wing behind origin of median vein.

From Explanation of Terms Used in Entomology by Smith, John. B.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023