n. A child whose parents are dead.n. A child who has been deprived of parental care and has not been adopted.n. A young animal without a mother.n. One that lacks support, supervision, or care: A lack of corporate interest has made the subsidiary an orphan. n. An orphan technology or product.n. A line of type beginning a new paragraph at the bottom of a column or page.n. A short line of type at the bottom of a paragraph, column, or page; a widow.adj. Deprived of parents.adj. Intended for orphans: an orphan home. adj. Lacking support, supervision, or care.adj. Not developed or marketed, especially on account of being commercially unprofitable: "an aggregation of every orphan technology at the Pentagon, stuff that's been around for years that nobody would buy” ( Harper's). v. To deprive (a child or young animal) of a parent or parents.