aquanaut
Noun
Meaning
a skilled worker who can live in underwater installations and participate in scientific research
an underwater swimmer equipped with a face mask and foot fins and either a snorkel or an air cylinder
Source: WordNetSynonyms
skin-diver
oceanaut
piston
bather
diver
speculator
swimmer
frogman
U-boat
natator
submariner
scuba diver
deep-sea diver
Hypernyms
Examples
Patek Philippe developed a new version of their annual calendar (Ref 5960), but Aquanaut stole the scene celebrating the 20th anniversary with a new 42mm “Jumbo” size (Ref 5168G).