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

To furnish with a keel.

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.