Sleet

n. [A-S. sliht, from slahan, to strike; Dan. slud, M. H. Ger. slōz, N. H. Ger. schloze.]

1. A fall of hail or snow mingled with rain, usually in fine particles.
2. (Gun.) The part of a mortar passing from the chamber to the trunnions for strengthening that part. [Obs.]