mare, mari- +

1. A division of the earth's surface which includes all marine animals.
2. A geographically determined division of that portion of the zoosphere composed of marine animals.

A flat piece of land, or savanna-like land expanse, near the edge of the sea, usually covered with water at high tide.

The study of oceanic areas, including island and coastal regions, to serve the needs of air and surface navigation over the oceans.

The branch of microbiology dealing with sea micro-organisms living in the sea.

1. Someone who serves as a sailor, or who navigates or assists in navigating a ship.
2. A sailor, or assisting navigator, of vessels at sea.
3. The Mariner, in aerospace, one of a series of U.S. space probes that obtained scientific information while flying by or orbiting around the planets Mars, Mercury, and Venus.

It is described as a series of solar-powered probes of Venus, Mars, and Mercury that were launched by NASA between 1962 and 1973 and which provided the first close-up television pictures of another planet (Venus).

An arc of colors, formed by the reflection and refraction of sun rays, that appears in ocean spray.

A body of salt water found along an arid coast and separated from the sea by a sand or gravel barrier.

The sciences of the oceans, or seas; including oceanography, marine biology, etc.

1. Of, relating to, or characteristic of the sea.
2. Native to, inhabiting, or formed by the sea.
3. In military science, a member of a corps trained and equipped for service on land and sea; especially, for amphibious operations.

An area of low, salty, or brackish water found along the shore and characterized by abundant grasses, mangrove trees, and similar vegetation.

That part of a port or harbor with facilities for docking, cargo-handling, and storage.

1. A narrow coastal strip covered by sand, silt, or fine gravel that slopes gently seaward.
2. A wave-cut platform that is exposed by the lowering of the sea level or by an uplift along the coast.
3. A relatively flat, narrow surface dropping off to a steep embankment, formed along a seacoast by the merging of a wave-built terrace and a wave-cut platform.

All vessels in a sea area; especially, a harbor, its approaches, or other restricted waters.

A system that divides the ocean into two levels and many subdivisions: the Benthic division, which includes the sea bottom; and the Pelagic division, which includes the open water.

A form of climatotherapy involving exposure to seaside environments.

In Europe, various seaside resorts are reputed to have differing therapeutic value depending on the prevailing local climatic conditions. A North Sea environment, for example, is recommended for invigoration and the Mediterranean, for sedation.