ice swimming

Noun

 * 1) The practice of swimming in a gap or hole in the ice of an iced-over body of water.
 * 2) * 2015,, Land of the Midnight Sun: My Arctic Adventures, 2016, Penguin Random House (Corgi), page 62,
 * Because I am going Ice Swimming, I am meeting a club of Tromsø Ice Swimmers.
 * Because I am going Ice Swimming, I am meeting a club of Tromsø Ice Swimmers.

Usage notes
Although ice swimming and are not, strictly speaking, synonyms, they coincide in regions where open water ices over (only) in winter.

Translations

 * Finnish: avantouinti
 * French: bain dans l'eau glacée, bain de glace
 * Polish: morsowanie
 * Russian:
 * Swedish: vinterbad
 * Turkish: buz yüzüşü, buzda yüzme
 * Ukrainian: моржува́ння