Keel
Definition of keel:
part of speech: verb
To turn up the keel; turn over.
part of speech: noun
The carina or breast- bone of flying birds; the boat- shaped structure formed by the two anterior petals of the Leguminosae.
part of speech: noun
To plough with a keel, to navigate: to turn keel upwards.
part of speech: noun
Bottom timber of a ship, running the whole length.
part of speech: verb
part of speech: noun
The chief and lowest timber or steel plate of a vessel, extending from stem to stern and supporting the whole frame; hence, a ship; in an airship, the lowest and central part of the body of the machine; a broad, flat vessel used on the Maine coast.
part of speech: noun
The part of a ship extending along the bottom from stem to stern, and supporting the whole frame: a low flat- bottomed boat: ( bot.) the lowest petals of the corolla of a papilionaceous flower.