rigatura

== Italian == === Etymology === From rigare +‎ -tura. === Noun === rigatura f (plural rigature) ruling, lining, wrinkling, creasing rifling (of a gun) == Latin == === Participle === rigātūra inflection of rigātūrus: nominative/vocative feminine singular nominative/accusative/vocative neuter plural === Participle === rigātūrā ablative feminine singular of rigātūrus