| spun glass |
very thin fibers or threads of glass, used in a variety of products; fiberglass. |
| spunk |
courage, spirit, or determination. [2 definitions] |
| spunky |
courageous, spirited, or determined. |
| spur |
a device attached to a rider's boot heel that has a spike or toothed wheel and is used to urge the horse forward. [7 definitions] |
| spurge |
any of various mostly tropical plants that have bitter milky juice and bear small flowers without petals. |
| spur gear |
a gear wheel with teeth that are cut parallel to the axis of rotation. |
| spurious |
not genuine, authentic, or valid; false. |
| spurn |
to reject, refuse, or treat with scorn; disdain; despise. [3 definitions] |
| spurred |
having or wearing spurs. |
| spurt |
to rush or squirt out suddenly and forcefully, as liquid, steam, or the like; spout. [5 definitions] |
| sputnik |
any of several manufactured earth satellites launched by the former Soviet Union, esp. the first in 1957. |
| sputter |
to speak or exclaim rapidly and explosively, often emitting saliva or bits of food, as in anger or confusion. [4 definitions] |
| sputum |
material that is spat or coughed out, such as saliva or mucus. |
| spy |
a person employed by a nation's government to secretly observe and gather information about another nation's activities, plans, defenses, and the like. [6 definitions] |
| spyglass |
a small hand-held telescope. |
| sq. |
abbreviation of "square." |
| sq. ft. |
abbreviation of "square foot," or "square feet." |
| sq. in. |
abbreviation of "square inch," or "square inches." |
| squab |
a young pigeon still in the nest, esp. considered as food. |
| squabble |
to quarrel over trivial matters; bicker. [2 definitions] |
| squad |
a small number of persons trained to function together, such as an athletic team or the smallest unit of military personnel. |