1. n.1 a small shell-less mollusc of the class Gastropoda often destructive to plants.
2 a a bullet esp. of irregular shape. b a missile for an airgun.
3 Printing a a metal bar used in spacing. b a line of type in Linotype printing.
4 esp. US a tot of liquor.
5 a unit of mass, given an acceleration of 1 foot per second per second by a force of 1 lb.
6 a roundish lump of metal.
Etymology: ME slugg(e) sluggard, prob. f. Scand. 2. v. & n. US
--v.tr. (slugged, slugging) strike with a hard blow.
--n. a hard blow.
Phrases and idioms:
slug it out
1. fight it out.
2 endure; stick it out.
Derivatives:
slugger n.
Etymology: 19th c.: orig. unkn.