WATER FLAG
Wa"ter flag`. (Bot.)

Defn: A European species of Iris (Iris Pseudacorus) having bright yellow flowers.

WATER FLANNEL
Wa"ter flan"nel. (Bot.)

Defn: A floating mass formed in pools by the entangled filaments of a
European fresh-water alga (Cladophora crispata).

WATER FLEA
Wa"ter flea`. (Zoöl.)

Defn: Any one of numerous species of small aquatic Entomostraca belonging to the genera Cyclops, Daphnia, etc; — so called because they swim with sudden leaps, or starts.

WATERFLOOD
Wa"ter*flood`, n. Etym: [AS. wæterflod.]

Defn: A flood of water; an inundation.

WATER FLOUNDER
Wa"ter floun"der. (Zoöl.)

Defn: The windowpane (Pleuronectes maculatus). [Local, U. S.]