DictionaryporpoiseMarine mammal
noun / verb

porpoise

POR-pus/ˈpɔːrpəs/

A small toothed sea mammal closely related to dolphins.

A harbor porpoise swims just below the calm coastal water.

A harbor porpoise swimming just below calm coastal water, compact body, rounded blunt head without long dolphin beak, small triangular dorsal fin, natural gray back and pale belly.
Etymology

The name literally means “pig fish.” This likely reflects a fancied resemblance between the animal’s snout and a pig’s, rather than a biological classification.

In context

Origins Explained0:27
They claimed they saw a topless, blonde woman with the tail of a porpoise sitting on the beach shore.
REAL Mermaid Sightings Around The World!

More examples

  • Porpoises surface regularly to breathe air.
  • We spot a porpoise near the boat.
  • The seals porpoise through the water, rising and plunging repeatedly.

Forms

porpoise · porpoises · porpoised · porpoising

Similar words

dolphin
Dolphins usually have longer beaks and more curved dorsal fins.