D defs.my
Entry 1 sense Webster, 1913

Punctilio

/(pŭṉk*tĭl"yō̇)/ · Punc·til·io · IPA /pʌŋkˈtɪliˌoʊ/
01 n. A nice point of exactness in conduct, ceremony, or proceeding; particularity or exactness in forms; as, the punctilios of a public ceremony.
pl. Punctilios ((-yōz))
  1. 1.
    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.