Defn: An American aquatic plant (Dianthera Americana) with long willowlike leaves, and spikes of small purplish flowers.

WATER WING
Wa"ter wing`. (Arch.)

Defn: One of two walls built on either side of the junction of a bridge with the bank of a river, to protect the abutment of the bridge and the bank from the action of the current.

WATER WITCH Wa"ter witch`. (Zoöl.) (a) The dabchick. (b) The stormy petrel. [Prov. Eng.]

WATER-WITHE
Wa"ter-withe`, n. (Bot.)

Defn: A vinelike plant (Vitis Caribæa) growing in parched districts in the West Indies, and containing a great amount of sap which is sometimes used for quenching thirst.

WATERWORK
Wa"ter*work`, n.

1. (Paint.)

Defn: Painting executed in size or distemper, on canvas or walls, — formerly, frequently taking the place of tapestry. Shak. Fairholt.

2. An hydraulic apparatus, or a system of works or fixtures, by which a supply of water is furnished for useful or ornamental purposes, including dams, sluices, pumps, aqueducts, distributing pipes, fountains, etc.; — used chiefly in the plural.