Definition of “rare” - Learner’s Dictionary

rare

adjective us uk /reər/
UNUSUAL

B1 very unusual:

[ + to do sth ] It's very rare to see these birds in England.

More examples

MEAT

If meat is rare, it is still red because it has only been cooked for a short time:

a rare steak

(Definition of “rare” from the Cambridge Learner's Dictionary © Cambridge University Press)