noun.
A fine point in exactness of conduct, ceremony or procedure. Strictness in observance of formalities.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a fine point of etiquette or petty formality
noun.
strict observance of formalities
Word Usage
"I was also influenced by religious motives that suggested to me the necessity of living to atone, by my sufferings and sorrow, for the guilt I had incurred in complying with a savage punctilio, which is, I fear, displeasing in the sight of Heaven."