Orphan

Part of speech: noun (n.)

A child bereaved of both father and mother; sometimes, also, a child who has but one parent living. Orphans' court (Law), a court in some of the States of the Union, having jurisdiction over the estates and persons of orphans or other wards. Bouvier.

Part of speech: verb (v.)

To cause to become an orphan; to deprive of parents. Young.

Part of speech: adjective (a.)

Bereaved of parents, or (sometimes) of one parent.