new ‧ com ‧ er /ˈnjuːkʌmə $ ˈnuːkʌmər/ BrE AmE noun [countable]
1 . someone who has only recently arrived somewhere or only recently started a particular activity ⇨ novice
newcomer to
I’m a relative newcomer to the retail business.
a special award for the most promising newcomer
2 . something that did not exist before
newcomer to
The most glamorous newcomer to the Volkswagen Golf range is the revamped GTi 16 valve.