[ trok-lee-uh ]
/ ˈtrɒk li ə /

noun, plural troch·le·ae [trok-lee-ee] /ˈtrɒk liˌi/, troch·le·as. Anatomy.

a pulleylike structure or arrangement of parts.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trochlea

British Dictionary definitions for trochlea

/ (ˈtrɒklɪə) /

noun plural -leae (-lɪˌiː)

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

Word Origin for trochlea

C17: from Latin, from Greek trokhileia a sheaf of pulleys; related to trokhos wheel, trekhein to run
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

Medicine definitions for trochlea

[ trŏklē-ə ]

n. pl. troch•le•ae (-lē-ē′)

An anatomical structure that resembles a pulley, especially the part of the distal end of the humerus that articulates with the ulna.
A fibrous loop in the eye socket near the nasal process of the frontal bone, through which the tendon of the superior oblique muscle of the eye passes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.