ANTIDOTE n.
A remedy to counteract the effects of poison, or of anything noxious taken into the stomach; -- used with against, for, or to; as, an antidote against, for, or to, poison.
ANTIQUE n.
In general, anything very old; but in a more limited sense, a relic or object of ancient art; collectively, the antique, the remains of ancient art, as busts, statues, paintings, and vases. Misshapen monuments and maimed antiques. Byron.
APEX n.
The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.