WILLOW, noun [Latin] A tree of the genus Salix. There are several species of willow the white, the black, the purple or red, the sallow, and the broad leaved willow etc. A species called the weeping willow has long and slender branches which droop and hang downward, the Salix Babylonica.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI