The American football is a direct descendant of the ball used in the game of rugby. The rugby ball originally was made of a pig's bladder with a leather cover; the earliest versions of the leather exterior sometimes were made of pigskin.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.