Sur"coat` (?), n. [OE. surcote, OF. surcote. See Sur-, and Coat, and cf. Overcoat.]
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..
At night, or in the rain,
He dons a surcoat which he doffs at morn.
A name given to the outer garment of either sex at different epochs of the Middle Ages.
© Webster 1913.