a Dominican friar: so called from the distinctive black mantle worn by the order.
Origin of Black Friar
late Middle English word dating back to 1400–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for black friar
Historical Examples of black friar
Tokens are extant of a music-house, with the sign of the Black-friar, dated 1671.The History of Signboards
a Dominican friar
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"Dominican," c.1500, so called from the color of their dress.
Online Etymology Dictionary, © 2010 Douglas Harper