Ahouai

( Bot. ) The local name of the Brazilian tree Cerbera ahouai, ord. Apocynaceæ. The kernels of its nuts are very poisonous. Ahoy', interj . ( Naut .) A call; halloa. Ahrberg, a market-town of Germany, 3 miles from Ohrenbau. Pop . 4,000. Ahr'ian, n. ( Genl .) The middle group of the series of Devonian rocks belonging to Belgium and the Rhine. This group includes bluish-gray grits, sandstones, and shales.