Sombrero/sɑːmˈbrerəʊ/ Definition 1 of 3Pro Tip 1/3Cultural Icon Often represents Mexican heritage or celebrations, especially in foreign media. Tourists love taking pictures wearing a sombrero during Cinco de Mayo. Pro Tip 2/3Sun Protection The broad brim is designed to shield the face and neck from the sun. He chose a sombrero for the long walk on the sunny beach. Pro Tip 3/3Festive Atmosphere Wearing a sombrero can give a festive or playful mood to an event. At the party, guests in sombreros danced to Mariachi music.