J
- Jaffa (also corker)
- an exceptionally well bowled, practically unplayable delivery, usually but not always from a fast bowler. Taken from the idea that a 'Jaffa' is the best type of Orange.
- Jayadevan's system
- Jockstrap (also jock strap)
- underwear for male cricketers, designed to securely hold a cricket box in place when batting or wicket keeping.
Read more about this topic: Glossary Of Cricket Terms