[ˈdɒlfɪn], (Noun)

Definitions:
- a 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


- a bollard, pile, or buoy for mooring boats

- a structure for protecting the pier of a bridge


Phrases:

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