| alewife1 |
a small fish, related to the herring and resembling the shad, found in North America in the Atlantic Ocean and the Great Lakes. |
| Amazon |
the longest river in South America. It flows from the Andes mountains in Peru across northern Brazil to the Atlantic Ocean. [1/2 definitions] |
| Amazon River |
a major river of South America that flows from the Andes Mountains in Peru across northern Brazil to the Atlantic Ocean. |
| anadromous |
of various fishes, migrating from the ocean upstream to spawn. |
| anchovy |
a small fish that is related to the herring and is used for food. Anchovies are found mostly in warm ocean waters. |
| Antarctic |
the land or seas at or near the South Pole; Antarctica or the Antarctic Ocean (used with "the"). |
| Arabian Peninsula |
a peninsula in the Middle East on which lie the countries of Saudi Arabia, Yemen, Oman, United Arab Emirates, Qatar, Bahrain, and Kuwait. The peninsula lies between the Red Sea to the west and the Persian Gulf to the northeast. The Indian Ocean borders the peninsula on the southeast. |
| Arabian Sea |
an arm of the Indian Ocean that lies between India and the Arabian Peninsula. |
| Arctic Ocean |
the ocean that surrounds the North Pole. |
| Atacama |
a desert in northern Chile that lies between the Pacific Ocean and the Andes mountains. |
| Atacama Desert |
an extremely dry region of northern Chile that lies between the Pacific Ocean and the Andes mountains. |
| Atlantic |
an ocean bordered by Europe and Africa on the east and North and South America on the west; Atlantic Ocean. |
| Atlantic Ocean |
an ocean that is bordered by Europe and Africa on the east and by North and South America on the west. |
| at sea |
on the ocean waters. [1/2 definitions] |
| Austronesian |
a family of languages spoken over a vast area from the Indian Ocean to New Zealand and Hawaii. [1/3 definitions] |
| baleen |
the bony, flexible strips in the upper jaws of whales that feed by filtering food from ocean water. These whales use baleen to strain large amounts of small food such as shrimp from the water. |
| Bangladesh |
a country surrounded by India on three sides and the Indian Ocean on the fourth. |
| barnacle |
a small sea animal that attaches its shell to rocks, the bottom of ships, docks, and other objects in shallow parts of the ocean. Barnacles float freely in the ocean when they are young. They develop shells with sharp edges as adults. Barnacles are kinds of crustaceans. |
| barracuda |
a fish that lives in warm ocean water and has a long body. Barracuda are fierce hunters. |
| basalt |
a dense, fine-grained, dark-colored igneous rock created by lava flow that is rich in minerals containing magnesium and iron. The most common igneous rock on the Earth's surface due to its high abundance on the ocean floor. |
| Bay of Bengal |
a bay of the Indian Ocean bordered mostly by India, Bangladesh, and Myanmar. |