noun a soft wet area of low-lying land that sinks underfoot
mire; quag; slack; quagmire.
WordNet
Mo*rass" noun
Etymology
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.
