| hull | 1. The outer covering of anything, particularly of a nut or of grain; the outer skin of a kernel; the husk. 2. The frame or body of a vessel, exclusive of her masts, yards, sails, and rigging. Hull down, said of a ship so distant that her hull is concealed by the convexity of the sea. Origin: OE. Hul, hol, shell, husk, AS. Hulu; akin to G. Hulle covering, husk, case, hullen to cover, Goth. Huljan to cover, AS. Helan to hele, conceal. See Hele, Hell. Source: Websters Dictionary (01 Mar 1998) |
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| Hull's triad | <clinical sign> The association of diastolic gallop, anasarca, and small pulse pressure. (05 Mar 2000) |