| spleen |
an organ near the stomach that stores blood. The spleen gets rid of old red blood cells, and makes certain kinds of white blood cells. |
| splendid |
beautiful or grand; making a strong impression. [2 definitions] |
| splice |
to join (two pieces of film, tape, or similar things) at the ends. [2 definitions] |
| splint |
a thin piece of wood, metal, or plastic used to support and keep steady a broken bone. |
| splinter |
a small, sharp piece of material that is broken off from a larger piece. [2 definitions] |
| split |
to divide along the length or in layers. [11 definitions] |
| spoil |
to damage or ruin; make unable to be used or enjoyed. [4 definitions] |
| spoiled |
having been led to think that one can do or have whatever one wants, as a result of being allowed too much freedom or being given things in excess of what one needs. [3 definitions] |
| spoke1 |
past tense of "speak." |
| spoke2 |
a rod or bar that goes from the center of a wheel to the rim. |
| spoken |
past participle of "speak." [2 definitions] |
| spokesman |
a man who speaks for one or more other persons. |
| sponge |
a sea animal that has a body with many small holes or channels that water can flow through. Sponges are often shaped like a fat tube. Thousands of kinds of sponges live in the ocean. Most kinds of sponges live in groups, or colonies, on coral reefs, rocks, shells, or other objects. [5 definitions] |
| spongy |
like a sponge in being light, full of holes, or able to keep its shape after being pressed or stretched. |
| sponsor |
a person who takes responsibility for someone or something. [5 definitions] |
| spontaneous |
happening in a free way; not forced. [2 definitions] |
| spook |
(informal) a ghost; phantom. [2 definitions] |
| spool |
an object shaped like a cylinder with a rim on each end. Thread, tape, wire, and film are wound on spools. |
| spoon |
a tool with a small, shallow bowl at the end of a handle, used for eating, stirring, serving, or measuring. [3 definitions] |
| spoonful |
the amount a spoon can hold. |
| spore |
a tiny reproductive body made up of one or more cells, produced by certain animals and plants. Ferns and fungi produce spores. |