transitive verb.
To cover the back of; to load or burden.
transitive verb.
To write upon the back or outside of a paper or letter, as a direction, heading, memorandum, or address.
transitive verb.
To write one's name, alone or with other words, upon the back of (a paper), for the purpose of transferring it, or to secure the payment of a note, draft, or the like; to guarantee the payment, fulfillment, performance, or validity of, or to certify something upon the back of (a check, draft, writ, warrant of arrest, etc.).
transitive verb.
To give one's name or support to; to sanction; to aid by approval; to approve.
transitive verb.
to write one's name on the back of a note or bill, leaving a blank to be filled by the holder.