in ecclesiastical writers, a name given by the Greeks to the consecrated bread, out of which the middle part, marked with the cross, wherein the consecration resides, being taken away by the priest, the remainder is distributed after mass to the poor. On the sides of the antidoron are impressed the words Jesus Christus eicit. The word is formed from δόγμα, donum, a gift, as being given away loco numeris, or in charity. The antidoron is also called ponis presanctificatus.

ANTIDÓSIS, in Antiquity, denotes an exchange of estates, practised by the Greeks on certain occasions with peculiar ceremonies, and first instituted by Solon.

When a person was nominated to an office, the expense of which he was not able to support, he had recourse to the antidosis; that is, he was to seek some other citizen of better substance than himself, who was free from this and other offices; in which case the former was excused. In case the person thus substituted denied himself to be the richest, they were to exchange estates after this man-