gap-toothed
adjective /ˌɡæp ˈtuːθt/, /ˌɡæp ˈtuːðd/
/ˌɡæp ˈtuːθt/, /ˌɡæp ˈtuːðd/
[usually before noun]- having a wide space between two of your teeth
- a gap-toothed smile/grin
Oxford Collocations DictionaryGap-toothed is used with these nouns:- grin