porte cochère

noun2

1. •
   A porch, or roof without walls over a driveway, next to the entrance of a building which a vehicle can stop in or under to allow passengers to embark or disembark without being affected by bad weather.

   • But Miss Thorn relieved the situation by laughing aloud, […] By the time we reached the house we were thanking our stars she had come. Mrs. Cooke came out from under the port-cochère to welcome her. — 1897
2. •
   (historical) A gateway through which horse carriages pass, often into a courtyard.

   • We had admirable Noses to smell out proper Places, and your Houses with Porte-Cocheres were sure to have enough of our Company. — 1708