Definition: to recover consciousness, to ‘wake up’ after you have fainted or lost consciousness or been under anaesthetic for an operation
(This phrasal verb has more than one meaning)
E.g.1: When Rose came to in the lifeboat, she could not remember what had happened.
E.g.2: One minute, I was talking to the nurses and the next I was coming to, my foot hurt and my tongue felt like a wool carpet.
This phrasal verb cannot be separated.