(historical) The period of Ancient Rome where its government operated as a republic. / (historical) A French puppet state which existed from 1798 to 1799 in what was previously the Papal States.

(informal) A platonic friend who frequently cuddles another friend.

(intransitive) To snarl or growl; to gnar.

(organic chemistry) a strong carboxylic acid used frequently in organic synthesis and as a buffer in liquid chromatography, with the molecular formula C₂HF₃O₂.