Akademik

natator
noun
a person who travels through the water by swimming
-

he is not a good swimmer

Syn: ↑swimmer, ↑bather
Derivationally related forms: ↑swim (for: ↑swimmer)
Hypernyms: ↑traveler, ↑traveller
Hyponyms: ↑floater, ↑skin-diver, ↑aquanaut, ↑surfer, ↑surfboarder

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\\ˈnād.əd.ə(r)\ noun (-s)
Etymology: Latin, from natatus + -or
: swimmer

the first woman natator to negotiate the … passage — Emporia (Kans.) Gazette

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/nay"teuh teuhr/, n.
a swimmer.
[1815-25; < L, equiv. to nata(re) to swim + -tor -TOR]

Useful english dictionary. 2012.