dol ‧ phin /ˈdɒlfən, ˈdɒlfɪn $ ˈdɑːl-, ˈdɒːl-/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: dalfin , from Greek delphis ]
a very intelligent sea animal like a fish with a long grey pointed nose
dol ‧ phin /ˈdɒlfən, ˈdɒlfɪn $ ˈdɑːl-, ˈdɒːl-/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: dalfin , from Greek delphis ]
a very intelligent sea animal like a fish with a long grey pointed nose
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012