dam
1. dam \'dam\ n [ME dam, dame lady, dam - more at DAME] : a female parent - used esp. of a domestic animal 2. dam n [ME] 1a: a barrier preventing the flow of water; esp : a barrier built a cross a watercourse 1b: a barrier to check the flow of liquid, gas, or air 2: a body of water confined by a dam 3. dam vt or dammed; or dam.ming 1: to provide or restrain with a dam 2: to stop up : BLOCK