Meaning of the word re-entrant in English

What does re-entrant mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

re-entrant

US /ˌriːˈen.trənt/
UK /ˌriːˈen.trənt/

Adjective

(of a program or routine) able to be entered or called by another program or routine before the first call has been completed, without causing error or incorrect results

Example:
The new operating system features re-entrant code for improved efficiency.
Writing re-entrant functions is crucial for multi-threaded applications.