Definition of "professional football" [professional football]

• Football played for pay (noun)

WordNet. Princeton University. 2010.

• "The XFL is a professional football league, co-owned by the World Wrestling Federation and NBC, that makes a fetish out of ferocity, with teams sporting macho and self-mocking names like “the New Jersey Hitmen” and “the Memphis Maniax.”"
• "“You’re Reginald ‘the Damager’ Franks,” I said, easing up on the tips of my platform sandals so this multimillion-dollar professional football player could hear me."