Carte-blanche', n.
(kärt-blänsh'), n. [Fr., from O. Fr. carte, paper, and blanc, blanche, white. See CARD, n.]
Sense 1. A blank paper, signed at the bottom with a person's name, and sometimes sealed with his seal, given to another person, with permission to superscribe what conditions he pleases. Hence,
Sense 2. Unconditional terms; unlimited authority.