[f. STEEP v.1 + -ING2.] That steeps. Of rain: Soaking. dial.
1778. [W. Marshall], Minutes Agric., 27 July 1774. The hay is not much worse for the steeping rain of last night.
1877. N. W. Linc. Gloss., s.v., Well, this hes been a steepin’ rain.
