[f. CRACK v. + WILLOW.] A name for Salix fragilis, a species of willow with brittle branches.
1670. Ray, Catal. Plant., 271. The Crack-willow.
1806. T. Harwood, Lichfield, 453. Near Stow-pool, the salix fragilis, crack-willow, flourishes.
1861. Miss Pratt, Flower. Pl., V. 80.