YAMMER Meaning of YAMMER in English n. & v. colloq. or dial. --n. 1. a lament, wail, or grumble. 2 voluble talk. --v.intr. 1. utter a yammer. 2 talk volubly. Derivatives: yammerer n. Etymology: OE geomrian f. geomor sorrowful Oxford English vocab. Оксфордский английский словарь. 2012