mauther noun2 •(dialect, no longer used) A girl, especially, a large awkward girl.KAS. Ay, I know -- Away, [TO HIS SISTER.] you talk like a foolish mauther. — 1610 •(dialect, no longer used) A mother.Cleave to a tight ship, my boy, as long as the wind blaeth, and while she lives upon the waters, she'll aye be a mauther to thee. — 1823 formsmauthers