Water grass. (a) A tall march perennial grass (Paspalum dilatatum) of the southern United States and the American tropics. (b) Manna grass. (c) The grass Chloris elegans. (d) [Dial. Eng.] (1) Velvet grass. (2) The water cress. (3) One of various horsetails.
Water hammer. A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterritation.
Wa"ter*man*ship`, n. 1. The business or skill of a waterman.
2. Art of, or skill in, rowing; oarsmanship; specif., skill in managing the blade in the water, as distinguished from managing arms, body, etc., in the stroke.
Water monkey. A jar or bottle, as of porous earthenware, in which water is cooled by evaporation.
Water parting. (Phys. Geog.) A summit from the opposite sides of which rain waters flow to different streams; a line separating the drainage districts of two streams or coasts; a divide.
Water pocket. A water hole in the bed of an intermittent stream, esp. the bowl at the foot of a cliff over which the stream leaps when in the flood stage. [Western U. S.]
Water table. (Hydraulic Engin.) The upper limit of the portion of the ground wholly saturated with water. The water table may be within a few inches of the surface or many feet below it.
Water telescope. 1. (Optics) A telescope in which the medium between the objective and the eye piece is water instead of air, used in some experiments in aberration.