an echidna or spiny anteater.
[pawr-kyuh-pahyn-fish] /ˈpɔr kyəˌpaɪnˌfɪʃ/ noun, plural (especially collectively) porcupinefish (especially referring to two or more kinds or species) porcupinefishes. 1. any of several of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- Porcupine grass
noun 1. (Austral) another name for spinifex (sense 2)
- Porcupine provisions
plural noun 1. (finance) provisions, such as poison pills or staggered directorships, made in the bylaws of a company to deter takeover bids Also called shark repellents
noun 1. a river in NW Yukon Territory, Canada and NE Alaska, flowing N and W to the Yukon River. 448 miles (721 km) long.