A piece of ground washed by the action of water, or sometimes covered and sometimes left dry; the shallowest part of a river, or arm of the sea; also, a bog; a marsh.
A shallow body of water.
In arid and semi-arid regions, the normally dry bed of an intermittent or ephemeral stream; an arroyo or wadi.
A situation in which losses and gains or advantages and disadvantages are equivalent; a situation in which there is no net change.
(architecture) The upper surface of a member or material when given a slope to shed water; hence, a structure or receptacle shaped so as to receive and carry off water.