I will back him [a horse] straight. --Shak.
2. To place or seat upon the back. [R.]
Great Jupiter, upon his eagle backed, Appeared to
me. --Shak.
3. To drive or force backward; to cause to retreat or recede;
as, to back oxen.
4. To make a back for; to furnish with a back; as, to back
books.
5. To adjoin behind; to be at the back of.
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. ``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.
8. To bet on the success of; -- as, to back a race horse.
{To back an anchor} (Naut.), to lay down a small anchor ahead
of a large one, the cable of the small one being fastened
to the crown of the large one.
{To back the field}, in horse racing, to bet against a
particular horse or horses, that some one of all the other
horses, collectively designated ``the field'', will win.
{To back the oars}, to row backward with the oars.
{To back a rope}, to put on a preventer.
{To back the sails}, to arrange them so as to cause the ship
to move astern.
{To back up}, to support; to sustain; as, to back up one's
friends.
{To back a warrant} (Law), is for a justice of the peace, in
the county where the warrant is to be executed, to sign or
indorse a warrant, issued in another county, to apprehend
an offender.
{To back water} (Naut.), to reverse the action of the oars,
paddles, or propeller, so as to force the boat or ship
backward.
2. That which is behind, and forms the back of, anything,
usually giving strength or stability.
3. Support or aid given to a person or cause.
4. (Bookbinding) The preparation of the back of a book with
glue, etc., before putting on the cover.