backstroke

/หˆbรฆkหŒstษนoสŠk/
noun
  1. 1

    A swimming stroke swum lying on one's back, while rotating both arms through the water as to propel the swimmer backwards.

  2. 2

    (bellringing) The pull on the tail of the rope that swings the bell through a full circle (compare handstroke)

Synonyms

verb
  1. 1

    To swim the backstroke.

Source: https://en.wiktionary.org/wiki/backstroke