| spinel |
any of a group of hard, crystalline mineral oxides containing magnesium and aluminum, the red variety of which is used as a gem. |
| spineless |
having no courage, conviction, or will power; irresolute. [3 definitions] |
| spinet |
a small, low, upright piano. [3 definitions] |
| spin kick |
a martial arts move in which a person jumps spinning into the air to deliver a kick. |
| spinless |
combined form of spin. |
| spinnaker |
a large, triangular, usu. brightly colored or striped sail set on a long spar and swung out opposite the mainsail when the wind is coming from behind the boat, used esp. in sailboat and yacht racing. |
| spinner |
a person or thing that spins. [4 definitions] |
| spinneret |
an organ in spiders and caterpillars that produces the silky thread for webs and cocoons. [2 definitions] |
| spinning |
the act or process of making thread or yarn from fibers or filaments. [2 definitions] |
| spinning jenny |
an early spinning machine equipped with several spindles for spinning a number of threads at the same time. |
| spinning wheel |
a simple machine for spinning thread or yarn that has a single spindle driven by a large wheel. |
| spin-off |
something that results from the production or operation of another thing. [2 definitions] |
| spin off |
of products, to come into being as the result of the creation of other products. |
| spinose |
bearing or covered with spines; spiny. |
| spinster |
a woman who has never married (sometimes used disparagingly). |
| spinto |
of a singer's voice, both lyric and dramatic. |
| spiny |
having or covered with spines or similar projections; thorny. [3 definitions] |
| spiny anteater |
the echidna. |
| spiny-finned |
having fins that are supported by spinelike, bony rays. |
| spiny lobster |
any of several edible crustaceans having a spiny shell and lacking the large pincers of the true lobsters. |
| spiracle |
an opening or hole that allows for the passage of air for breathing or ventilation; air hole. [3 definitions] |