- Having teeth of moderate dimensions.
- Having teeth of modest dimensions.
- In anthropology, having medium-sized teeth: as, the mesodont events.
- In zoology, regarding the Mesodonta, or having their particular figures.
- In craniometry, having a dental index between 42 and 44.
- In entomology, certainly one of a group of stagbeetles which may have, like the amphiodonts, a mandibular development intermediate between the teleodont and priodont types.