an object that you keep to remind yourself of a special occasion or a place you have visited: We bought T-shirts as souvenirs. a souvenir shopsouvenir of I got a model of the Eiffel Tower as a souvenir of Paris.souvenir from a souvenir from our trip to Las Vegas [Origin: 1700–1800 French souvenir to remember]—souvenir adjective [only before noun]: souvenir plates