South German and Swiss German: 1. probably from a topographic name for someone living near an enclosure, i.e. a fenced plot such as an orchard, from Middle High German bīzūne ‘enclosure’. 2. habitational name from a place named with this word, in particular one near Balingen, Württemberg. 3. Americanized spelling of Bütz(e) (see Butz 2).