gem
noun /dʒem/
  /dʒem/
 - (also less frequent gemstonea precious stone that has been cut and polished and is used in jewellery synonym jewel, precious stone/ˈdʒemstəʊn//ˈdʒemstəʊn/)- a crown studded with gems
 Extra ExamplesTopics Clothes and Fashionc1- a belt studded with priceless gems
- a millionairess dripping with gems and pearls
 Oxford Collocations Dictionaryadjective- precious
- priceless
 - encrusted with gems
- 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!
 Extra Examples- The second side of their new album contains some real gems.
- This is a gem of a show.
- architectural gems like York Minster
 Oxford Collocations Dictionaryadjective- little
- absolute
- real
- …
 - a gem of a something
 
Word OriginOld English gim, from Latin gemma ‘bud, jewel’; influenced in Middle English by Old French gemme.