n A distinctive mark, token, sign, emblem or cognizance, wear|worn on one's clothing, as an insignia of some rank, or of the membership of an organization.
n (nautical) A carved ornament on the stern of a vessel, containing a window or the representation of one.
n (heraldry) A distinctive mark worn by servants, retainers, and followers of royalty or nobility, who, being beneath the rank of gentlemen, have no right to armorial bearings.