n. & v.
n. 1 a mixture of snow and rain falling together. 2 hail or snow melting as it falls. 3 US a thin coating of ice.
v.intr. (prec. by it as subject) sleet falls (it is sleeting; if it sleets). sleety adj.
[ ME prob. f. OE: rel. to MLG sloten (pl.) hail, MHG sloz(e) f. Gmc ]