1 (old use) a baby
2 (slang) a word used to address a young woman, or your wife, husband or lover, usually expressing affection but sometimes considered offensive if used by a man to a woman he does not know:
What're you doing tonight, babe?
3 (informal) an attractive young woman
IDIOMS
a babe in arms (old-fashioned) a very small baby that cannot yet walk
moreatMOUTHn.
