a branch of the armed forces concerned with fighting or defence in the air
a putting out of a base runner who is forced to advance to a base at which a fielder is holding the ball
an elite American military force whose main responsibilities are rescue operations and special forces work
a play in which a runner must advance when a ball is hit, thereby allowing a fielder to put the runner out by touching the approached base before the runner gets there
a pump used to move water or other liquid under greater than ambient pressure
(of a person) old or mature in certain respects without having developed fully in others
an armed force organized for a special operation
a political group or party acting as a check on conflict between two extreme or opposing groups