| fossa |
in anatomy, a pit, cavity, or depression. |
| fosse |
a ditch, esp. one used as a fortification. |
| fossil |
the remains or trace of a living organism from an earlier geologic age, embedded in earth or rock. [3 definitions] |
| fossil fuel |
any carbon-containing fuel formed from the remains of prehistoric plants and animals. Coal, petroleum, and natural gas are examples of fossil fuels. |
| fossiliferous |
composed of or containing fossils. |
| fossilize |
to make into a fossil by replacing organic matter with mineral substances. [3 definitions] |
| foster |
to encourage and aid the growth or development of. [4 definitions] |
| foster home |
a home in which a child is cared for by someone other than his or her natural or adoptive parents. |
| fosterling |
a child to whom parental care is given by someone not related to him or her by law or heredity; foster child. |
| fouetté |
(French) in ballet, a move in which the dancer stands on point on one leg and kicks the other leg outward and back to the body, thereby spinning the entire body around. |
| fought |
past tense and past participle of fight. |
| foul |
extremely offensive to the senses, esp. of smell and taste, or permeated by something, such as an odor, that is offensive to the senses. [21 definitions] |
| foulard |
a soft, thin, woven or twill fabric of silk, rayon, or cotton, usu. with a small print design. [2 definitions] |
| foul ball |
in baseball, a batted ball that does not remain within the foul lines. |
| foul line |
in baseball, either of the lines extending from home plate through first and third bases to the limits of the outfield. [3 definitions] |
| foulmouthed |
using obscene or vulgarly abusive language, esp. habitually. |
| foul out |
of a baseball player, to be put out because of hitting a ball outside the foul lines that is caught before it touches the ground. [2 definitions] |
| foul play |
treacherous action, esp. violence against a person or persons. |
| foul shot |
see "free throw." |
| foul tip |
in baseball, a pitched ball that is barely tipped by the bat and is either caught by the catcher or deflected into the foul zone. |
| foul-up |
(informal) confusion or breakdown caused by human error or mismanagement, or by mechanical failure. [2 definitions] |