diastema
Concise Oxford English Dictionary © 2008 Oxford University Press:
diastema /ˌdʌɪəˈstiːmə, dʌɪˈastɪmə/
▶noun (pl. diastemata)
- 1 Zoology a space separating teeth of different functions, especially that between the biting teeth and grinding teeth in rodents and ungulates.
- 2 a gap between a person's two upper front teeth.
– origin C19: via late L. from Gk diastēma ‘space between’.
'diastema' also found in these Oxford entries:
