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Dictionary Suite
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firing line the line or set of positions from which troops fire at an enemy or targets. [3 definitions]
firing squad a group, usu. of military personnel, assigned to shoot a person who has been sentenced to death.
firkin a small wooden tub or keg. [2 definitions]
firm1 hard and compact; solid. [6 definitions]
firm2 a business organization, often an unincorporated one.
firmament the entire arch of the sky; heavens.
firmly in a way that uses some strength; not lightly. [2 definitions]
firmware a computer program or set of functions stored on a ROM chip, rather than in software.
first indicating rank or position before all others. [8 definitions]
first aid emergency medical treatment for injury or sudden illness, administered before regular medical care or more thorough treatment can be obtained.
first-aid kit a kit containing supplies for administering emergency treatment of injuries, poisoning, or sudden illness. It generally contains such things as bandages, antiseptics, and painkillers.
first base in counterclockwise order from home plate, the first of three bases marking the infield of a baseball diamond. [2 definitions]
first baseman in baseball, the player whose position is at first base when the other team is batting and whose primary function is to defend that base.
firstborn born before any other child or offspring of a parent or parents. [2 definitions]
first cause a primary or original source, independent of, and not caused by, anything else. [2 definitions]
first class the best, finest, or highest in quality, class, grade, or rank. [3 definitions]
first-class of the highest in quality, rank, or grade; foremost; best. [4 definitions]
first cousin the offspring of one's uncle or aunt.
first-degree of or concerning the lowest or first level in a series of levels or intensities. [2 definitions]
first-degree burn the level of burn that produces pain, heat, and reddening of the skin but no blistering or charring.
first-degree murder a premeditated murder, carried out with deliberate intention to kill.