Swamp1, n.
(swŏmp), n. [Allied to sump, from the root of swim. Cf. Icel. svampr, Dan. & Sw. swamp, A-S. swamm, O. H. Ger. swam, Goth. swamms, D. zwam, O. D. swamme, N. H. Ger. schwamm, a sponge, mushroom, also from the root of swim.] Spongy land; low ground filled with water; soft, wet ground; marshy ground away from the sea-shore; land wet and spongy, but not usually covered with water.