lacto-, lact-, lacti-

(Latin: milk)

lactovegetarian (s) (noun), lactovegetarians (pl)
1. Anyone who lives on a mixed diet of milk and milk products, eggs, and vegetables, but stays away from or avoids meat.
2. Someone who eats vegetables, grains, fruit, nuts, and milk products; but not animal flesh.
nomolactia

Related "milk" unit: galacto-.