low·er·case or low·er-case  (lō'ər-kās')  adj. Of, printed, or formatted in lowercase letters. tr.v. low·er·cased or low·er-cased, low·er·cas·ing or low·er-cas·ing, low·er·cas·es or low·er-cas·es To put (type or text) in lowercase letters. low'er·case' n. |