arc-en-ciel (ark-an-si-èl), n.m., (—s-—) rainbow, iris.
archaïque, adj., archaical.
archaïsme (-ka-ism), n.m., archaism. (obsolete word.)
archal, n.m. Fil d’—; iron wire.
archange (-kanj), n.m., archangel.
arche, n.f., arch; ark. L’— sainte, l’— du Seigneur; the ark of the Lord. L’— de Noé; Noah’s ark. L’— d’alliance; the ark of the covenant. C’est l’— du Seigneur; it is forbidden ground. Pont à plusieurs —s; bridge of several arches. Être hors de l’—; to be out of the pale of the church. Cour des arches; Arches-Court.
archée, n.f., principle of life, archeus.
archelet, n.m., drill-bow, hoop (of a net).
archéologie (-ké-), n.f., archæology.
archéologique (-ké-), adj., archæological.