central

Being in the centre.

• Egyption Thebes; / Tyre by the margin of the sounding waves; / Palmyra, central in the Desert, fell; / And the Arts died by which they had been raised.
• The network had no central ownership or controller; and it did only one thing – transfer data packets from one edge of the network to their destination at another edge.

Having or containing the centre of something.

Being very important, or key to something.

• Cleverley was a central figure as England took the lead inside three minutes. He saw his shot handled by Moldovan defender Simion Bulgaru and Lampard drilled home the penalty in trademark fashion.

Exerting its action towards the peripheral organs.

Belong or relating to the center of an algebraic structure.; Of an element of an algebraic structure: which commutes with all other elements under multiplication

Belong or relating to the center of an algebraic structure.; Of a unital algebra over a field: whose center is exactly equal to the image of the base field

centerUSespecially