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MORASS
A tract of soft, wet ground; a marsh; a fen. Morass ore.
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.
Source: Websters Vocabulary