Bigot (def.)

big'ot, n. [O. Fr.; prob. from Sp. hombre de bigote, lit., man with a mustache (bigote, mustache, ult. from L. biga, span of horses), hence man of spirit, firm character, obstinate person.]
1. a person who holds blindly and intolerantly to a particular creed, opinion, etc.
2. a narrow-minded intolerant person.

big'ot-ry, n. [Fr. bigoterie, from bigot, a bigot, hypocrite.]
1. obstinate or blind attachment to a particular creed; unreasonable zeal in favor of a party, sect, or opinion; excessive prejudice; intolerance.