Definition of guardian

• v. t. - One who guards, preserves, or secures; one to whom any person or thing is committed for protection, security, or preservation from injury; a warden.
• v. t. - One who has, or is entitled to, the custody of the person or property of an infant, a minor without living parents, or a person incapable of managing his own affairs.
• a. - Performing, or appropriate to, the office of a protector; as, a guardian care.