In heraldry, baron and femme are terms denoting the two-halves of an heraldic escutcheon used when the coat of arms of a man and the paternal arms of his wife are impaled (or anciently dimidiated), that is borne per pale within the same escutcheon. The position of the husband's arms, on the dexter side (to viewer's left), the position of honour, is referred to as baron whilst the paternal arms of the wife are shown in sinister, referred to as femme.
In heraldry, "baron" and "femme" refer to the two halves of an escutcheon used when a man's coat of arms is combined with his wife's paternal arms, which are displayed side-by-side within the same shield. The husband's arms are on the dexter (left) side, referred to as baron, while the paternal arms of the wife are shown in sinister (right), called femme.