A tract of soft, wet ground; a marsh; a fen. Morass ore.
(Science: chemical) See bog ore, under Bog.
Origin: OE. Marras, mareis (perh. Through D. Moeras), fr. F. Marais, prob. From L. Mare sea, in LL, any body of water; but perh. Influenced by some German word. See Mere a lake, and cf. Marsh.