zebras

noun pl. zebras or zebra

1. any of several swift African perissodactylous mammals (family Equidae) of the same genus (Equus) as the horse and ass, having dark stripes on a white or tawny body
2. a butterfly (Heliconius charitonius) with black wings crossed by several yellowish bands
   in full zebra butterfly
3. ☆ Sports, Slang a referee who wears a vertically striped black-and-white shirt