1. A lightweight hat worn in tropical countries for protection from the sun
   "The explorer donned his topi before venturing into the jungle";
   - pith hat, pith helmet, sun helmet, topee
    
2. A large South African antelope; considered the swiftest hoofed mammal
   "The topi's speed helps it outrun predators on the open plains";
   - sassaby, Damaliscus lunatus, tsessebe

Derived forms: topis

Type of: antelope, sun hat, sunhat

Part of: Damaliscus, genus Damaliscus

Encyclopedia: Topi, Pakistan