n.
Pronunciation: ' trä-kl ē - ə
Function: noun
Etymology: New Latin, from Latin, block of pulleys, from Greek trochileia, from trochilos sheave, from trochos wheel
Date: circa 1693
: an anatomical structure that is held to resemble a pulley especially : the articular surface on the medial condyle of the humerus that articulates with the ulna