Definitions for salicaceae
Salicaceae, family Salicaceae, willow family(noun)
two genera of trees or shrubs having hairy catkins: Salix; Populus
U.S. National Library of Medicine
A plant family of the order Salicales, subclass Dilleniidae, class Magnoliopsida. The leaves are alternate and simple. Staminate (male) flowers consist of from one to many stamens. Pistillate (female) flowers consist of a one-chambered ovary with several to many ovules (potential silky seeds).