Definition of "bro"
noun:
-
Brother; a male sibling.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Brother; a male comrade or friend; one who shares one's ideals.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Brother; an African-American.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Brother; used to address a male.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A fratboy or someone that espouses the fraternity bro culture.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-