I don’t know if this is true of American English, but in British English, one meaning of “guardian” is what an orphan has in place of parents.
Yes, this meaning is in American English as well. A typical parental permission form for a child to go on a field trip or what-have-you will ask for the signature of “a parent or legal guardian”.
Yes, this meaning is in American English as well. A typical parental permission form for a child to go on a field trip or what-have-you will ask for the signature of “a parent or legal guardian”.