- of or befitting a brother or brothers; brotherly.
- of or being a society of men associated in brotherly union, as for mutual aid or benefit: a fraternal order; a fraternal association.
Origin of fraternal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of or suitable to a brother; brotherly
- of or relating to a fraternity
- designating either or both of a pair of twins of the same or opposite sex that developed from two separate fertilized ovaCompare identical (def. 3)
C15: from Latin frāternus, from frāter brother
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
Word Origin and History for interfraternal
early 15c., from Middle French fraternel and directly from Medieval Latin fraternalis, from Latin fraternus "brotherly" (see fraternity). The noun meaning "fraternal twin" is recorded by 1911.
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to brothers.
- Of, relating to, or being a twin developed from two separately fertilized ova; dizygotic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.