• (a.) Below a trochlea, or pulley; -- applied esp. to one of the subdivisions of the trigeminal nerve.
(in″frә-trok´le-әr) beneath a trochlea.
In`fra·troch'le·ar adjective [ Infra + trochlear .] (Anat.) Below a trochlea, or pulley; -- applied esp. to one of the subdivisions of the trigeminal nerve. 
Type: Term Pronunciation: in′fră-trok′lē-ăr Definitions: 1. Inferior to the trochlea or pulley of the superior oblique muscle of the eye.