Definition of mesiodistally in English:

mesiodistally

Pronunciation /ˌmɛsɪə(ʊ)ˈdɪst(ə)li/ /ˌmɛsɪə(ʊ)ˈdɪstəli/

adverb

Dentistry
  • In the direction of the line of the dental arch.

Origin

Early 20th century. From mesio- + distally.