Punc-tĭl'io, n.
(-tĭl'yo), n. [It. puntiglio, Sp. puntilio, Fr. pointille, from Lat. punctum, point.] A nice point of exactness in conduct, ceremony, or proceeding; particularity or exactness in forms; as, the punctilios of a public ceremony. They will not part with the least punctilio in their opinions and practices. Fuller.