diastema

< /ˌdaɪ əˈsti mə tə/.

1. Cell Biology. the modified protoplasm at the equator of a cell, existing before mitotic division.
2. Dentistry. a space between two teeth, especially a space between a canine and an incisor of the upper jaw into which a lower canine occludes.

noun plural -mata (-mətə)

1. an abnormal space, fissure, or cleft in a bodily organ or part
2. a gap between the teeth

n. pl. di•a•ste•ma•ta (-mə-tə)

1. A fissure or abnormal opening in a part, especially when congenital.
2. A gap or space between two adjacent teeth in the same dental arch.