1. English or American ounce (a unit of mass equivalent to 28.35 g or 31.1 g)

2. onza, Spanish ounce (a traditional unit of mass equivalent to about 28.76 g) (historical)

3. ounce (any large wild feline) (dated)

4. cheetah (Acinonyx jubatus)

5. jaguarundi (Herpailurus yagouaroundi) (Honduras, Nicaragua, Venezuela)

6. weasel (Mustela spp.) (Guatemala, Mexico)

7. jaguar (Panthera onca) (Bolivia)

8. onza (cryptid feline in Mexican folklore) (Mexico, cryptozoology)