|
Definition of Brennan
1. Proper noun. (surname from=Irish dot=), from (etyl ga) (term Ó Braonáin lang=ga) "descendant of Braonáin", which is a diminutive of ''braon'' "moisture, drop". ¹
2. Proper noun. (given name male from=surnames) of mostly American usage, from the surname, or a variant of Brendan. ¹
¹ Source: wiktionary.com