Yes, center is a Scrabble word!

Verb

1. Center upon

2. Direct one's attention on something

3. Move into the center

Adjective

1. Equally distant from the extremes

2. Of or belonging to neither the right nor the left politically or intellectually

Noun

1. An area that is approximately central within some larger region

2. The piece of ground in the outfield directly ahead of the catcher

3. A building dedicated to a particular activity

4. A point equidistant from the ends of a line or the extremities of a figure

5. The choicest or most essential or most vital part of some idea or experience

6. The object upon which interest and attention focuses

7. A cluster of nerve cells governing a specific bodily process

8. The middle of a military or naval formation

9. (basketball) the person who plays center on a basketball team

10. (football) the person who plays center on the line of scrimmage and snaps the ball to the quarterback

11. A place where some particular activity is concentrated

12. Politically moderate persons; centrists

13. (ice hockey) the person who plays center on a hockey team

14. The sweet central portion of a piece of candy that is enclosed in chocolate or some other covering

15. Mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers; usually includes restaurants and a convenient parking area; a modern version of the traditional marketplace

16. The position on a hockey team of the player who participates in the face off at the beginning of the game

17. (American football) the position of the player on the line of scrimmage who puts the ball in play

18. A position on a basketball team of the player who participates in the jump that starts the game