noun
A hat.
(heraldry) A cap of maintenance.
(oenology) The mass of grape solids that floats on the surface during the fermentation of wine.
(law) The text at the start of a numbered section of a legal document that appears directly beside the section number, ahead of any numbered subsections.
(international law) A passage of introductory text appearing in a treaty that broadly defines its principles, objectives, and background.
interjection
well done, thank you a verbal representation of a hat tip