To automatically block.
To use the autoblock technique.
(An) automatic blocking (inhibition of a feature etc.).
A technique used in rappelling and ascending, with a friction hitch around the climbing rope.
To exclude by blocking all opportunities to enter or join.
To terminate; to call the end of.
To terminate a computer program.
To make trades offsetting an existing position, leaving the trader with a neutral position.
Of a wave, to break all at once, instead of progressively along its length.
To seal off.
Synonym of close (“to make a sale”)