What does trŏpa mean in Latin?

trŏpa, a noun, means “the tropic solstice”.

noun

trŏpa

trŏpa, ae, f., = τροπή,

I. the tropic solstice: CHIMERINA, Kal. Vet. ap. Inscr. Orell. II. p. 381.

trŏpa, adv.,

I. turning; Gr. τρόπα (v. Lidd. and Scott, s. v.): et ludit tropa nequiore talo, i. e. at a game played by throwing dice, etc., Mart. 4, 14, 9.