Meaning of “seize” - Learner’s Dictionary

seize

verb [ T ] uk us /siːz/
HOLD

B2 to take hold of something quickly and firmly:

She seized my arm and pulled me towards her.
OPPORTUNITY

B2 to do something quickly when you have the opportunity:

You need to seize every opportunity.
PLACE

to take control of a place suddenly by using military force:

Troops seized control in the early hours of the morning.
DRUGS ETC

to take away something that is illegal, for example drugs:

Officials seized 2.7 tons of cocaine from the ship.

(Definition of “seize” from the Cambridge Learner’s Dictionary © Cambridge University Press)