It's not a strictly defined term, in the UK people generally mean lacto-ovo-vegetarian by it (they will eat eggs and milk) but many combinations are possible an

It's not a strictly defined term, in the UK people generally mean lacto-ovo-vegetarian by it (they will eat eggs and milk) but many combinations are possible and what's most common varies geographically - in India for example it would generate taken to mean lacto-vegetarian (milk, no eggs). Wikipedia has a nice table: https://en.wikipedia.org/wiki/Vegetarianism#Varieties https://en.wikipedia.org/wiki/Vegetarianism#Varieties