Comcáac adjective 1noun 1forms 2 adjective1 •Seri; of the Seris.This stowaway hypothesis for gecko dispersion is supported by the fact that most Comcáac adults dread finding a gecko anywhere in their vicinity. — 2003 noun[plural only]1 •The Seris, an indigenous group of Sonora, Mexico.Although they do not embrace an agricultural tradition per se, the Comcáac have likely been moving plants around for many decades. — 2003 formsmore Comcáac · most Comcáac