Definition of dolphin in English:

dolphin

Syllabification: dol·phin
Pronunciation: /ˈdälfən
 
/

noun

1A small gregarious toothed whale that typically has a beaklike snout and a curved fin on the back. Dolphins have become well known for their sociable nature and high intelligence.
  • Families Delphinidae (marine) and Platanistidae (the river dolphins): several genera and many species
More example sentences
  • No captures of Atlantic bottlenose dolphins have occurred in the US since 1989.
  • And captive bottlenose dolphins have shown themselves to be skilled at replicating computer-generated sounds.
  • We passed numerous sting rays gliding along, then a large school of spinner dolphins leaping across our bow.
2 (also dolphinfish) another term for mahimahi.
3A bollard, pile, or buoy for mooring.
4A structure for protecting the pier of a bridge or other structure from collision with ships.

Origin

late Middle English: from Old French dauphin, from Provençal dalfin, from Latin delphinus, from Greek delphin.

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