Careen \Ca*reen"\, v. t. [imp. & p. p. {Careened}; p. pr. & vb. n. {Careening}.] [OF. cariner, F. car['e]ner, fr. OF. car[`e]ne, the bottom of a ship, keel, fr. L. carina.] (Naut.) To cause (a vessel) to lean over so that she floats on one side, leaving the other side out of water and accessible for repairs below the water line; to case to be off the keel. [1913 Webster]