ap·pli·ca·tor \ˈapləˌkād.ə(r), -ātə-\noun (-s) Etymology: obsolete English applicate to apply (from Latin applicatus) + English -or 1.: a device (as a cotton-tipped rod, a pad, or a nozzle) for applying substances (as medicine, cosmetics, polish, or chemical foam) 2.: one that applies substances < urges that applicators avoid using sprays during windy weather — Country Gentleman >