Dictionary
na•ta•to•ri•al
Pronunciation: (nā"tu-tôr'ē-ul, -tōr'-, nat"u-), [key]—
adj.
pertaining to, adapted for, or characterized by swimming:
natatorial birds. Also,na'ta•to"ry.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.