is it in check your dictionary. ?

bor·row (boro, bôro)
v. bor·rowed, bor·row·ing, bor·rows

definitions:

1. To obtain or receive (something) on loan with the promise or understanding of returning it or its equivalent.
2. Function: transitive verb: to take or receive temporarily; specifically : to receive (money) with the intention of returning the same plus interest —bor·row·er noun
3. get temporarily

so, which part of the above do you not understand?

strike it out of your dictionary if you still have a problem.

it'll save other people from a lot of trouble, really.