TROCHLEA Meaning of TROCHLEA in English n. (pl. trochleae) Anat. a pulley-like structure or arrangement of parts, e.g. the groove at the lower end of the humerus. trochlear adj.[ L, = pulley f. Gk trokhilia ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012