Noah Webster's Dictionary 1. (n.) The part of a mortar extending from the chamber to the trunnions. 2. (n.) Hail or snow, mingled with rain, usually falling, or driven by the wind, in fine particles. 3. (v. i.) To snow or hail with a mixture of rain.

Multi-Version Concordance Sleet (1 Occurrence) Psalms 78:47 He destroyed their vines with hail, their sycamore fig trees with frost. (See NIV)