hiccup hicÂ·cup or hicÂ·cough (hÄ­k'Ép) n. A spasm of the diaphragm causing sudden inhalation interrupted by spasmodic closure of the glottis, producing a characteristic noise.
Ancient Convergent Plate Boundary-Appalachian Mountain Range. The range is mostly located in the United States but extends into southeastern Canada, forming a zone from 100 to 300 mi (160 to 480 km) wide, running from the island of Newfoundland 1,500 mi (2,400 km) southwestward to Central Alabama in the United States.
APPALACHIAN MOUNTAINS. Named for the Apalachee Indians, the Appalachian Mountains form a great continental divide which runs roughly parallel to the eastern seaboard of the Unites States. On the eastern side of the mountains waterways drain into the Atlantic Ocean; on the western side they drain into the Gulf of Mexico.