- Bout
- A boxing contest between two boxers as part of a competition (USA Boxing rulebook).
- Round
- One timed period of a bout; three per bout in USA Boxing, from 1.5 to 3 minutes by division.
- Orthodox and southpaw
- The two stances: the orthodox boxer leads with the left hand and foot, the southpaw with the right (common usage; the manual speaks of lead and rear hand).
- Jab
- The straight lead-hand punch, snapped from the shoulder, used to set up other punches.
- Straight power punch (cross)
- The straight rear-hand punch.
- Hook
- A bent-arm punch delivered in an arc, to the head or body.
- Uppercut
- A short punch delivered upward from below, to the chin or body.
- Combination
- Punches thrown in sequence, with only the last one or two at full power.
- Feint
- A faked punch meant to draw a reaction.
- Counterpunch
- A punch thrown in immediate response to the opponent's punch.
- Covering up
- Closing the gloves and forearms in front of the head and body.
- Block
- Stopping a punch with the forearm, elbow or glove.
- Parry
- Deflecting a straight punch with the glove.
- Slip
- Moving the head off the line of a straight punch.
- Duck and sway back
- Dropping the head under a hook by flexing the knees; leaning back out of range.
- Side-step and pivot
- Stepping off the line of attack; rotating on the ball of the front foot.
- Scoring blow
- A punch that lands cleanly on the target area with the knuckle surface, with the weight of the body or shoulder, within the rules and in the judge's view.
- 10-Point-Must
- The scoring system in which the winner of a round receives 10 points.
- Knockdown
- The boxer touches the floor with anything but the feet, hangs helplessly on the ropes, is outside the ropes, or is semi-conscious after a blow.
- Eight count
- The mandatory count the referee gives after any knockdown; at most three in a round and four in a bout (Rule 19.6).
- RSC and RSC-I
- Referee Stops Contest, and Referee Stops Contest for injury; KO, DQ and ABD (abandon) are the other non-points results.
- Headgear
- USA Boxing or International Federation approved protective head equipment, required in all USA Boxing divisions.
- Passbook
- The boxer's USA Boxing record book carrying bouts, combat-sport experience and medical restrictions.
- Sparring (technique, conditioned, open)
- Training that simulates boxing under a registered coach: technique sparring at reduced speed on one skill, conditioned sparring at realistic speed under a theme, open sparring without conditions.