Meaning of “secure” - Learner’s Dictionary

secure

verb [ T ] uk us /sɪˈkjʊər/
ACHIEVE

to achieve something, after a lot of effort:

to secure the release of hostages
FASTEN

to fasten something firmly:

He secured the bike to the gate.
MAKE SAFE

to make something safe

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