A garden . . . with a vineyard backed.
Shak.
The chalk cliffs which back the beach.
Huxley.
6. To write upon the back of; as, to back a letter; to indorse; as, to back a note or legal document.
7. To support; to maintain; to second or strengthen by aid or influence; as, to back a friend. "The Parliament would be backed by the people." Macaulay.
Have still found it necessary to back and fortify their laws with rewards and punishments.
South.
The mate backed the captain manfully.
Blackw. Mag.