n. A lobiped grallatorial and natatorial bird, of the genus Fulica and family Rallidæ, having the toes broadly lobate, the culmen of the bill extended on the front as a boss or casque, short wings, a very short, cocked-up tail, or bobtail, and thick and duck-like plumage on the under surface of the body.n. The foolish guillemot, Lomviatroile.n. A scoter; one of the large black sea-ducks of the genera (Edemia, Pelionetta, and Melanetta.n. A simpleton; a silly fellow.n.