'hickey' definitions:

Definition of 'hickey'

(from WordNet)
noun
A small inflamed elevation of the skin; a pustule or papule; common symptom in acne [syn: pimple, hickey, zit]
noun
A temporary red mark on a person's skin resulting from kissing or sucking by their lover [syn: hickey, love bite]

Definition of 'hickey'

From: GCIDE
  • hickey \hick"ey\, hickie \hick"ie\n.
  • 1. (Elec.) A device used to adapt a lighting fixture for mounting in an outlet box, or on a pipe. [PJC]
  • 2. A red mark on the skin, caused by a passionate, sucking kiss at that location. [slang] [PJC]
  • 3. a doohickey. [informal] [PJC]

Synonyms of 'hickey'

From: Moby Thesaurus