Pronunciation: (dis'tl), [key]
1. situated away from the point of origin or attachment, as of a limb or bone; terminal. Cf. proximal.
2. Dentistry.directed away from the sagittal plane or midline of the face, along the dental arch. Cf. buccal (def. 3), mesial (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.