Select the option that can be used as a one-word substitute for the given group of words.

A group of guns or missile launchers operated together at one place

Battery

The one-word substitute for a group of guns or missile launchers operated together at one place is battery.

• Psaltery is a musical instrument with strings that are plucked.
• Skittery means moving in a nervous or restless way.
• Cemetery is a place where dead people are buried.
• Battery is a group of guns or missile launchers operated together at one place.

Battery is the most appropriate word for this group of words because it specifically refers to a group of weapons that are operated together. The other words do not have the same connotation of firepower.