Coast/kəʊst/ Definition 1 of 3Pro Tip 1/3Specific Region Refers to a precise area by the sea, often used with cardinal directions. The west coast has milder winters. Pro Tip 2/3Cultural Identity Implies a region's culture, like 'West Coast' might suggest a laid-back lifestyle. West Coast music styles differ from East Coast. Pro Tip 3/3Travel Destination Often mentioned as scenic areas popular for vacations and travel. The Amalfi Coast is on many travel wish lists.