Definition of "natatorial" [na•ta•to•rial]

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

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Snakes are in many cases arboreal (tree-climbing) but some are natatorial (swimming)."
• "His experience as a medal-winning Olympic swimmer has made him the go-to guy at J.P. Morgan for things natatorial."
• "One can learn to swim without describing his sensations to every casual acquaintance or hunting up the natatorial columns in the newspapers."