Noun
Three Musketeer (plural Three Musketeers)
(nonstandard) Any one of the Three Musketeers in Alexandre Dumas' novel of the same name, i.e. either Athos, Aramis, or Porthos.
Is d'Artagnan a Three Musketeer?
Three Musketeer (plural Three Musketeers)
Alternative form of 3 Musketeer