Lewis & Short

barca, ae, f., a small boat, a bark, barge (post-class.): barca est, quae cuncta navis commercia ad litus portat. Hanc navis in pelago propter nimias undas suo suscipit gremio, etc., Isid. Orig. 19, 1, 19; Paul. Nol. Carm. 21, 95.