'major-league team' definitions:

Definition of 'major-league team'

(from WordNet)
noun
A team that plays in a major league [syn: major-league team, major-league club]

Definition of 'major-league team'

From: GCIDE
  • major-league club \major-league club\, major-league team \major-league team\n. A sports team that plays in a major league. [WordNet 1.5]