plump
1. plump \'pl*mp\ vb [ME plumpen, of imit. origin] 1: to drop, sink, or come in contact suddenly or heavily 2: to favor someone or something strongly - used with for 1: to drop, cast, or place suddenly or heavily 2: to give support and favorable publicity to 2. plump av 1: with a sudden or heavy drop 2a: straight down 2b: straight ahead 3: FLATLY, UNQUALIFIEDLY 3. plump n : a sudden plunge, fall, or blow; also : the sound made by such an act 4. plump n [ME plumpe] chiefly dial : GROUP, FLOCK 5. plump aj [ME, dull, blunt] 1: having a full rounded usu. pleasing form 2: AMPLE 6. plump vt : to make plump to become plump
Webster's English Dictionary