Golf. Also called teeing ground. the starting place, usually a hard mound of earth, at the beginning of play for each hole. a small wooden, plastic, metal, or rubber peg from which the ball is driven, as in teeing off.
Football. a device on which the ball may be placed to raise it off the ground preparatory to kicking.
Golf. to place (the ball) on a tee.
tee off, Golf. to strike the ball from a tee. Slang. to reprimand severely; scold: He teed off on his son for wrecking the car. Informal. to begin: They teed off the program with a medley of songs. Baseball, Softball. to make many runs and hits, especially extra-base hits: teeing off for six runs on eight hits, including three doubles and a home run. Baseball, Softball. to hit (a pitched ball) hard and far: He teed off on a fastball and drove it into the bleachers. Boxing. to strike with a powerful blow, especially to the head: He teed off on his opponent with an overhand right. Slang. to make angry, irritated, or disgusted: She was teed off because her dinner guests were late.
a pipe fitting in the form of a letter T, used to join three pipes