(n): an army unit that uses big guns
(n): a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
(n): a device that produces or is powered by electricity
(n): a collection of related things intended for use together
(n): several things grouped together or considered as a whole
(n): a unit composed of the pitcher and catcher
(n): a cooperative unit (especially in sports)
(n): a series of stamps operated in one mortar for crushing ores
(n): a mill in which ore is crushed with stamps
(n): the heavy fire of artillery to saturate an area rather than hit a specific target
(n): the act of firing weapons or artillery at an enemy
(n): an assault in which the assailant makes physical contact
(n): a threatened or attempted physical attack by someone who appears to be able to cause bodily harm if not stopped