Pronunciation: (zē'bru; Brit. also zeb'ru),[key] —n., —pl.-bras,(esp. collectively)-bra. 1. any of several horselike African mammals of the genus Equus, each species having a characteristic pattern of black or dark-brown stripes on a whitish background: all zebra species are threatened or endangered.
2. Also called ze'bra but'terfly. a tropical butterfly, Heliconius charithonius, having black wings barred with yellow.
3. (cap.) a word formerly used in communications to represent the letter Z. 4. Football Slang.an official, who usually wears a black and white striped shirt.
5. See zebra crossing.