\Sur"coat`\, n. [OE. surcote, OF. surcote. See {Sur-},
and {Coat}, and cf. {Overcoat}.]
1. A coat worn over the other garments; especially, the long
   and flowing garment of knights, worn over the armor, and
   frequently emblazoned with the arms of the wearer.
         A long surcoat of pers upon he had..  --Chaucer.
         At night, or in the rain, He dons a surcoat which he
         doffs at morn.                        --Emerson.
2. A name given to the outer garment of either sex at
   different epochs of the Middle Ages.