- occlusion in which the upper incisor teeth overlap the lower ones.
- dentistry an extension of the upper front teeth over the lower front teeth when the mouth is closedAlso called: vertical overlap
n.“overlapping of the lower teeth by the upper ones,” 1887, from over- + bite (n.). n.
- A malocclusion of the teeth in which the front upper incisor and canine teeth project over the lower.vertical overlap