As the seat of Miami-Dade County, the municipality is the principal, central, and most populous of its metropolitan area and part of the second-most populous metropolis in the southeastern United States.
porpoise (plural porpoises) A small cetacean of the family Phocoenidae, related to whales and dolphins. (Canada, US, imprecisely) Any small dolphin. Synonyms . garfish, mereswine, sea hog, sea pig, seaswine; Translations
Porpoise. Porpoises belong to the Family: Phocoenidae, and contain only six living species with some in freshwater. Scientists believe that these animals evolved before 23 million years ago according to fossil evidences. They have streamlined bodies, which are more compact and shorter compared to other cetaceans.