Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
trăbĭca, ae, f. (sc. navis) [trabs], a vessel made of beams fastened together, a raft: trabica in alveos, Pac. ap. Fest. p. 367 Müll. (Trag. Rel. v. 406 Rib.).