| 1. | the period indicating completion of half the time allowed for an activity, as for a football or basketball game or an examination. |
| 2. | Sports. the intermission or rest period between the two halves of a football, basketball, or other game, during which spectators are often entertained by baton twirling, marching bands, or the like. |
| 3. | pertaining to or taking place during a halftime: The football fans were treated to a halftime exhibition by the marching band. |