A detachment of soldiers on horseback deploying mobile, large-calibre guns.
 he had been a horseman in the Royal Horse Artillery
 Example sentencesExamples
-  In November 1855, he returned to the horse artillery.
 -  The cavalry commander offered him all the horse artillery to use as he wished.
 -  In 1815, he was promoted to be captain of horse artillery.
 -  The creation of horse artillery provided a mobile reserve.
 -  If the advance guard is intended to occupy an area of ground rapidly, this will be done by cavalry with horse artillery present if required.
 -  Pictures of horses and horse artillery are replaced by pictures of planes, tanks, and helicopters.
 -  At Waterloo he showed undaunted bravery whilst directing the cavalry and horse artillery.
 -  The next level down was the commander of the fire unit—the horse artillery troop or foot artillery company—equivalent to modern batteries.
 -  The horse artillery demonstrated fully the characteristics for which it is noted.
 -  Cavalry units often contained a component of horse artillery.