morass ore 沼铁矿
Morass \Mo*rass"\, n. [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}.]
A tract of soft, wet ground; a marsh; a fen.
{Morass ore}. (Min.) See {Bog ore}, under {Bog}.