#1 keel n. a projection or ridge that suggests a keel. wn
#2 keel v. [stagger, reel, lurch, swag, careen] walk as if unable to control one's movements; "The drunken man staggered into the room". wn
#3 keel n. the median ridge on the breastbone of birds that fly. wn
#4 keel n. one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability. wn
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