coot
coot \'ku:t\ n [ME coote; akin to D koet coot] 1: any of various sluggish slow-flying slaty-black birds (genus FulicaX) of the rail family that somewhat resemble ducks and have lobed toes and the upper mandible prolonged on the forehead as a horny frontal shield 2: a No. American scoter; also : any of several other American duck s {mud ~} 3: a harmless simple often old person