Definition of Eyetooth

Eyetooth: An upper canine tooth which is immediately lateral to the second (lateral) incisor. So-named in the mistaken belief that this tooth was connected to a branch of the nerve that supplies the eye.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=13247
Last Editorial Review: 9/20/2012