noun (n)

• the piece of ground in the outfield on the catcher's left(noun.artifact)

  Synonym:
  left, leftfield
  

  source: wordnet30
• the fielding position of the player on a baseball team who is expected to field balls in the left third of the outfield (looking from home plate)(noun.act)

  Synonym:
  leftfield
  

  source: wordnet30