/dʒem/
gem
BrE /dʒem/
NAmE /dʒem/
(also less frequent gem·stone
BrE /ˈdʒemstəʊn/
NAmE /ˈdʒemstoʊn/
)
a precious stone that has been cut and polished and is used in jewellery
SYN jewel, precious stone
a crown studded with gems
a person, place or thing that is especially good
This picture is the gem (= the best) of the collection.
a gem of a place
She’s a real gem!
➡ compare jewel