Keel :  (noun)
1: the median ridge on the breastbone of birds that fly
2: one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability (verb)

1: walk as if unable to control one's movements; "The drunken man staggered into the room" [syn: stagger, reel, lurch, swag, careen]

argosy, ascend, bank, bark, base, baseboard, basement, be lost, boat, bottom, bucket, cant, capsize, careen, chassis, climb, craft, dado, decline, descend, dip, drop, fall, fall away, fall off, foot, footing, foundation, founder, frame, go down, go downhill, go uphill, grade, hooker, hulk, hull, incline, keel over, lean, leviathan, list, mopboard, nadir, overset, overturn, packet, pitch, pitchpole, rake, retreat, rise, scuttle, shelve, ship, shoemold, sidle, sink, slant, slope, sole, somersault, swag, sway, tilt, tip, toe, tub, turn over, turn turtle, uprise, upset, upset the boat, vessel, wainscot, watercraft,