Bible Dictionaries
Interdental

Webster's Dictionary

(1):

(a.) Formed between the upper and lower teeth; as, interdental consonants.

(2):

(a.) Situated between teeth; as, an interdental space, the space between two teeth in a gear wheel.

Bibliography Information
Webster, Noah. Entry for 'Interdental'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/interdental.html. 1828.