Defn: A projecting ridge along the middle of a flat or curved surface. 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.

KEEL
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.]

KEELAGE
Keel"age, n. Etym: [Cf. F. guillage, fr. guille keel; of German or
Scand origin. See 3d Keel.]

Defn: The right of demanding a duty or toll for a ship entering a port; also, the duty or toll. Bouvier. Wharton.

KEELED
Keeled, a.

1. (Bot.)

Defn: Keel-shaped; having a longitudinal prominence on the back; as, a keeled leaf.

2. (Zoöl.)