Definition of natatorial

< natation

natatorium >

na·ta·to·ri·al    (nt-tôr-l, -tr-, nt-) KEY  also na·ta·to·ry  (nt-tôr, -tr, nt-) KEY 

ADJECTIVE:

Of, relating to, adapted for, or characterized by swimming: a natatorial appendage; natatorial birds.

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ETYMOLOGY:
From Late Latin nattrius, from Latin nattor, swimmer, from nattus, past participle of natre frequentative of nre, to swim; see sn- in Indo-European roots