† natatile,a.Obs.rare—1. [ad. L. natātilis (Tertullian), f.natāt-, ppl. stem of natāre to swim, + -ilis: see -ile.] Able to swim. 1721Bailey.1725― Erasm. Colloq. (1878) II. 147 A Natatile Beet do you say?.. Who ever heard of, or ever read the Name of a Swimming Beet?