Word Study
frogman
OXFORD DICTIONARY
frogman, n. (pl. -men) a person equipped with a rubber suit, flippers, and an oxygen supply for underwater swimming.
THESAURUS
frogman
Naval Reservist, Royal Marine, Seabee, bather, bathing beauty, bathing girl, bluejacket, boot, cadet, deep-sea diver, diver, free diver, gob, horse marine, jolly, jumper, marine, mermaid, merman, midshipman, midshipmite, natator, naval cadet, navy man, parachute jumper, pearl diver, plunger, scuba diver, skin diver, sky diver, snorkel diver, swabbie, swimmerFor further exploring for "frogman" in Webster Dictionary Online