Meaning of “tuck” - Learner’s Dictionary


verb us uk /tʌk/
tuck sth into/behind/under, etc

to push a loose piece of clothing or material somewhere to make it tidy:

Tuck your shirt in.
I tucked the sheet under the mattress.
tuck sth behind/under/in, etc

to put something in a small place so that it is safe and cannot move:

I found an old letter tucked in the back of the book.

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