In heraldry, a gore is a charge which sometimes considered an ordinary and at other times a subordinary. It consists of two curve lines, one issuing from the dexter chief, the base, meeting in the centre of the shield. Traditionally the gore is considered an abatement indicating cowardice. SCA heraldry does not recognise abatements however, and gores may be used freely within the society with no implication of cowardice.
Please note that the gore was not used in heraldry in our period. It was invented by English heraldists in the late 16th century, but not used until long after our period. Please see http://www.s-gabriel.org/1202
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