noun

1. partly frozen rain, or rain that freezes as it falls
2. transparent or translucent precipitation in the form of pellets of ice that are smaller than 5 mm (.2 in)
3. the icy coating formed when rain freezes on trees, streets, etc.

Etymology: ME slete < OE *sliete, akin to Ger schlosse, hail < IE base *(s)leu-, loose, lax > slur, slug

intransitive verb