Lewis Short
con-trĭbūlis (noun M) :
* Of the same tribus (very rare), Inscr. Fratr. Arv. Marin. p. 43; Inscr. Grut. 873, 4; Hier. in Gal. 2, 10; Ambros. Ep. 6, 14 fin.—*
* Transf., of the same religion, Sid. Ep. 8, 13.
Charlton T. Lewis, Charles Short, A Latin Dictionary