Being very important, or key to something.
Having or containing the centre of something.
Being in the centre.
Exerting its action towards the peripheral organs.
centre
Important or impressive.
Being a leader in one's field.
Being relatively heavy.
Of the heavyweight boxing (or similar) division.
A similar division and contestant in other sports.
A very large, heavy, or impressive person.
The professional boxing weight class for boxers weighing more than 190 pounds; a boxer in that division.