trudgeons

/ˈtrʌdʒənz/
noun
  1. Plural of trudgeon; multiple instances of the swimming stroke or multiple swimmers using it.
    • The instructor corrected their trudgeons, emphasizing a smoother arm recovery.
    • The team practiced their trudgeons every morning before the competition.
    • Different trudgeons were used by swimmers in the early 1900s before the crawl became dominant.