definitions

sea dog

SEE MORE SYNONYMS FOR sea dog ON THESAURUS.COM

noun

a sailor, especially an old or experienced one.
harbor seal.
a dogfish.
a pirate or privateer.

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RELATED WORDS

mariner, sailor, seafarer, shellback

Nearby words

sea crayfish, sea cucumber, sea dahlia, sea dayak, sea devil, sea dog, sea duck, sea eagle, sea elephant, sea fan, sea feather

Origin of sea dog

First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sea dog

sea dog

noun

an experienced or old sailor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012