Meaning

4 senses
  1. A player from a junior league who is called up by an NHL team after their original team's season has ended and kept as a reserve player.

  2. (slang)An elite mafia hitman.

  3. Used other than figuratively or idiomatically: see black, ace.

    The ace of spades is a black ace.

  4. (euphemistic, obsolete)A woman's sexual favours, or a woman who gives them.

Forms

plural: black aces
Singularblack ace
Pluralblack aces

regular

See also

neighbours in the dictionary
black ace — meaning, examples, forms, synonyms | Krumeto