(1):
(n.) A brother or member of any religious order, but especially of one of the four mendicant orders, viz: (a) Minors, Gray Friars, or Franciscans. (b) Augustines. (c) Dominicans or Black Friars. (d) White Friars or Carmelites. See these names in the Vocabulary.
(2):
(n.) An American fish; the silversides.
(3):
(n.) A white or pale patch on a printed page.