keel /ˈkɪl/ 名詞
Keel, v. i. [imp. & p. p. Keeled p. pr. & vb. n. Keeling.]
1. To traverse with a keel; to navigate.
2. To turn up the keel; to show the bottom.
To keel over, to upset; to capsize. [Colloq.]
Keel v. t. & i. To cool; to skim or stir. [Obs.]
While greasy Joan doth keel the pot. --Shak.
Keel, n. A brewer's cooling vat; a keelfat.
1. Shipbuilding A longitudinal timber, or series of timbers scarfed together, extending from stem to stern along the bottom of a vessel. It is the principal timber of the vessel, and, by means of the ribs attached on each side, supports the vessel's frame. In an iron vessel, a combination of plates supplies the place of the keel of a wooden ship. See Illust. of Keelson.
2. Fig.: The whole ship.
3. A barge or lighter, used on the Tyne for carrying coal from Newcastle; also, a barge load of coal, twenty-one tons, four cwt. [Eng.]
4. Bot. The two lowest petals of the corolla of a papilionaceous flower, united and inclosing the stamens and pistil; a carina. See Carina.
5. Nat. Hist. A projecting ridge along the middle of a flat or curved surface.
6. Aeronautics In a dirigible, a construction similar in form and use to a ship's keel; in an aëroplane, a fin or fixed surface employed to increase stability and to hold the machine to its course.
Bilge keel Naut., a keel peculiar to ironclad vessels, extending only a portion of the length of the vessel under the bilges. --Ham. Nav. Encyc.
False keel. See under False.
Keel boat. (a) A covered freight boat, with a keel, but no sails, used on Western rivers. [U. S.] (b) A low, flat-bottomed freight boat. See Keel, n., 3.
Keel piece, one of the timbers or sections of which a keel is composed.
On even keel, in a level or horizontal position, so that the draught of water at the stern and the bow is the same. --Ham. Nav. Encyc.
On an even keel a. & adv., steady; balanced; steadily.
n 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
v : walk as if unable to control one's movements; "The drunken
man staggered into the room" [syn: stagger, reel, lurch,