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sliding keels
plural of sliding keel
even-keeled
stable, not imbalanced
even-keel
keel haul
Alternative spelling of keelhaul
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
even keel
(nautical) The situation in which a watercraft is floating or proceeding in a smooth and level manner. / (idiomatic, of emotions, etc.) The state or characteristic of being under control and balanced.
keel over
(intransitive, nautical, also figuratively) Of a vessel: to roll so far on its side that it cannot recover; to capsize or turn turtle.
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
caudal keel
(ichthyology) A lateral ridge found just anterior to each side of the tail fin on the caudal peduncle of some types of fast-swimming fish. The keels improve the stability of the fish's attitude at speed in the water, and strengthen the support of the caudal fin.
keels over
false keels
plural of false keel
false keel
(nautical) The timber below the main keel, used to serve both as a protection and to increase the ship's lateral resistance.
