natational
1natation — natational, adj. /nay tay sheuhn, na /, n. an act or the skill of swimming. [1535 45; < L natation (s. of natatio), equiv. to natat(us) (ptp. of natare to swim) + ion ION] * * * …
2natation — /neɪˈteɪʃən/ (say nay tayshuhn), /nə / (say nuh ) noun the act or art of swimming. {Latin natātio} –natational, adjective …
3natation — [nā tā′shən] n. [L natatio < pp. of natare: see NATANT] the act or art of swimming natational adj …