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/

Noun

a person, organization, etc. that goes back to an activity they did earlier:

Example:
The state's labor markets had been flooded by both new entrants and re-entrants into the labor force.

Adjective

(of a computer program or code) able to be run on several processors at the same time and be interrupted and called again without affecting what is happening on the other processors :

Example:
Re-entrant subprograms are useful in multi-threaded situations, since multiple threads can call the same subprogram without fear of interfering with each other.