Defn: See Trochiscus. [Obs.] Bacon.

TROCHITE
Tro"chite, n. Etym: [Gr. (Paleon.)

Defn: A wheel-like joint of the stem of a fossil crinoid.

TROCHLEA Troch"le*a, n. Etym: [L., a case or sheaf containing one or more pulleys, Gr. Trochilics.]

1. (Mach.)

Defn: A pulley. [Obs.]

2. (Anat.)

Defn: A pulley, or a structure resembling a pulley; as, the trochlea, or pulleylike end, of the humerus, which articulates with the ulna; or the trochlea, or fibrous ring, in the upper part of the orbit, through which the superior oblique, or trochlear, muscle of the eye passes.

TROCHLEAR
Troch"le*ar, n. Etym: [L. trochlea block or pulley.] (Anat.)

Defn: Shaped like, or resembling, a pulley; pertaining to, or connected with, a trochlea; as, a trochlear articular surface; the trochlear muscle of the eye. Trochlear nerve. See Pathetic nerve, under Pathetic.