ardoisière, n.f., slate-quarry.
☉ardre. V. brûler.
ardu, -e, adj., arduous, hard, difficult, steep.
are, n.m., are, 119·6046 square yards.
arec, n.m., (bot.) areca, nut.
aréfaction, n.f., arefaction.
arénacé, -e, adj., arenaceous.
arénation, n.f., arenation.
arène, n.f., sand; arena, lists, ring; cock-pit; battle-ground, theatre, scene.
aréneu-x, -se, adj., sandy, arenous.