Chafer \Chaf"er\, n. 1. One who chafes. 2. A vessel for heating water; -- hence, a dish or pan. A chafer of water to cool the ends of the irons. --Baker. Chafer \Chaf"er\, n. [AS. ceafor; akin to D. kever, G k["e]fer.] (Zo["o]l.) A kind of beetle; the cockchafer. The name is also applied to other species; as, the rose chafer.