apulidu 1comm. surname; family name; last name. Nun-ingngo di apulidu da mu bokon da hintulang. They have the same family name but they are not related. (sem. domains: 9.7.1.2 - Family names.) 2trans. to use a particular name as a family name. Inapulidu nay ngadan amana. He used his father’s first name as his family name. Cultural note: To use a father’s first name as a surname is a common practice in the culture. i‑/iN‑. Sim: ngadan. Language Of Borrowing: Spanish.