Definition of tenor for English Language Learners. : 1  the highest adult male singing voice; also : a singer who has such a voice. : 2  the general or basic quality or meaning of something.
A bullpen is an area of a baseball field that allows pitchers to warm up before entering a game. The bullpen is usually set to the side at one end of the team's dugout, but there is no rule for where it has to be. The bullpen often receives a lot of attention, especially toward the end of a game, as other pitchers may be called in to relieve the starter.
bullpen(Noun) An enclosed area used to hold bulls. Magnus and Big Buck are over in the bullspen, ready for tonight's rodeo. bullpen(Noun) An enclosed area for pitchers to warm up in during a game. After that hit, there is activity in the bullpen.