| sea level |
the surface level of the sea, esp. the mean between high and low tide, which is used as a standard in calculating land elevations and sea depths. |
| sea lion |
any of several large-eared seals that live in colonies along the Pacific coast. |
| seam |
a line of stitching along which two pieces of fabric, or one piece folded over, are attached. [6 definitions] |
| sea otter |
a large marine otter of the northern Pacific coast. |
| seaplane |
an airplane that can land on and take off from water. |
| seaport |
a city, town, or harbor at which seagoing vessels dock, load, and unload. |
| search |
to look through thoroughly in order to find something. [6 definitions] |
| searchlight |
a lamp, usu. with a reflector, that can direct a powerful beam of light in any direction. |
| seashell |
the shell of an ocean mollusk, esp. one that has washed up on the shore. |
| seashore |
land that borders on the ocean. |
| seasick |
suffering from seasickness. |
| season |
one of the four distinct periods of the year; spring, summer, fall, or winter. [8 definitions] |
| seasonal |
of, characteristic of, or dependent on the seasons or a season of the year; periodical. |
| seasoning |
that which is added to food to improve the flavor, such as salt, an herb, or spice. [2 definitions] |
| seat |
an object for sitting on, such as a chair or bench. [9 definitions] |
| seat belt |
a safety strap or harness, attached to airplane and automobile seats, that fastens across the waist or over the shoulder as protection against sudden stops or collision; safety belt. |
| sea turtle |
any of the species of large marine turtles with paddle-shaped limbs, such as loggerheads and leatherbacks, found in warm-water seas. |
| sea urchin |
a soft-bodied echinoderm that is enclosed in a hard round or disk-shaped shell, covered with long thin movable spines. |
| seaweed |
any of a wide variety of algae that grow in water, esp. salt water. [3 definitions] |
| sec. |
abbreviation of "secretary." [2 definitions] |
| secede |
to withdraw from a political or religious unit, or from some other organization or alliance. |