pigeonhole

US /ˈpɪdʒ.ən.hoʊl/
UK /ˈpɪdʒ.ən.hoʊl/
"pigeonhole" picture
1.

a small open compartment in a desk, cabinet, or wall, used for filing or sorting letters or papers

:
He sorted the mail into the correct pigeonholes.
Each student has their own pigeonhole for messages.
1.

assign to a restricted category or to a particular place or role, especially in a way that is too rigid or narrow

:
It's unfair to pigeonhole him as just a comedian; he's a talented actor too.
The new policy aims to avoid pigeonholing employees into narrow roles.