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mug(7) (iou)



mug verb1 intrans. Long obsolete exc. Scot. & dial. Infl. -gg-. LME.
[Prob. of Scandinavian origin: cf. Old Norse mugga mist, drizzle, Norwegian, Swedish dial. mugg mould, mildew, prob. rel. to MUCUS. See also MUG verb2.]
Drizzle, rain lightly.