Opener/ˈəʊpənər/ Definition 1 of 4Pro Tip 1/2Physical Action Opener often refers to a tool requiring a physical action to use, like gripping and twisting. Twist the wine bottle opener until the cork lifts out. Pro Tip 2/2Specific Use Each type of opener is designed for a specific container, so it's important to use the correct one. A can opener won't work on a bottle.