The Collaborative International Dictionary
Antimason
Antimason \An`ti*ma"son\ ([a^]n`t[i^]*m[=a]"s'n), n. One opposed to Freemasonry. -- An`ti*ma*son"ic ([a^]n`t[i^]*m[.a]*s[o^]n"[i^]k), a.
Wiktionary
antimason
n. One who opposes Freemasonry.