momoir /ˈmɑmˌwɑː(r)/ noun1 •(US, informal) A memoir written by or about a mother.So-called momoirs, first-person accounts exploding some of the sentimentality about motherhood, include Andrea J. Buchanan's "Mother Shock" and Muffy Mead-Ferro's "Confessions of a Slacker Mom." — 2006 formsmomoirs