crusta/ˈkɹʌstə/EtymologyBorrowed from Latin crusta (“shell, crust, inlaid work”). Doublet of crust.nounA crust or shell.A gem engraved, or a plate embossed in low relief, for inlaying a vase or other object.A cocktail (typically of brandy, orange liqueur, bitters, and lemon juice and peel) distinguished by a sugared crust on the rim of the glass.“Crusta is made the same as a fancy cocktail, with a little lemon juice and a small lump of ice added.”