1. A diet that consists primarily of foods of vegetable origin but also includes some animal products, such as eggs (ovo), milk, and cheese (lacto), but no meat, fish, or poultry
   "She practised lacto-ovo vegetarianism, enjoying cheese omelets but avoiding all meat products";
   - ovo-lacto vegetarianism

Type of: vegetarianism

Encyclopedia: Lacto-ovo vegetarianism