Trailer.

An offensive player who follows his teammate with the ball and trails on a fast break but often is in good position to score after the first wave of defenders goes by. Last man down on the fast break.

Trail Official.

The referee or official who follows the ball upcourt after a change of possession, then works near the midcourt area marker. When the ball changes hands once more and begins to move back toward the other end of the court, the trail official usually becomes the lead official.

Transition.

The movement from offense to defense, or vice versa, when the ball changes hands. Defensively, when teams are slow in shifting are often victims of the opponent fast break. Offensively, also referred to a fast break.

Trap.

A sudden double team - a defensive tactic whereby two players converge upon the ball handler - in an attempt to create a steal or force a turnover. Also used as a verb.

Traveling.

A floor violation in which the ball handler commits a double dribble or takes more than the allowed two steps without dribbling the ball, drags o moves the pivot foot after stopping a dribble series on a drive to the basket.
Anytime a player possessing the ball is no dribbling, he must keep one foot - the pivot foot - planted on the floor, and he may not move it, or he is penalized for traveling. Results in a loss of possession. Also called: steps; walking.

Trend.

eBA Statistical Terminology. Is an indication whether a player's average is going up or down. Since any two players could have very close averages, the eBA trend stat indicates which player is hotter. A player's trend continues to increase for every game which the player average increases. Once the player's average goes down then the trend becomes negative and continues to drop until the player's average goes up again.

Trey.

A 3-point shot.