Wordnet 3.0
ADJECTIVE (1)
1. 
 discolored by coagulation of blood beneath the skin; 
- Example: "beaten black and blue"- Example: "livid bruises"[syn: black-and-blue, livid]
The Collaborative International Dictionary of English v.0.48:
black and blue \black and blue\, black-and-blue
\black-and-blue\adj.
   discolored by or as if by bruising; -- of skin. livid bruises
   Syn: livid.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
black-and-blue
    adj 1: discolored by coagulation of blood beneath the skin;
           "beaten black and blue"; "livid bruises" [syn: black-
           and-blue, livid]