Having or containing the centre of something.
Being in the centre.
Exerting its action towards the peripheral organs.
Being very important, or key to something.
centre
Placed or situated across something else; cross, oblique, transverse.
To cause to fail; to frustrate, to prevent.
A seat across a boat on which a rower may sit.
An act of thwarting; something which thwarts; a hindrance, an obstacle.
A brace, perpendicular to the keel, that helps maintain the beam (“breadth”) of a marine vessel against external water pressure and that may serve to support the rail.