A highly mobile army unit using vehicular transport, such as light armor and helicopters.(noun)
Troops trained to fight on horseback.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cavalry" in a sentence
"The term cavalry or infantry hardly describes it since it is composed of all-round handy men ready to take on any job in the campaigning line and do it well."
"Most of the 12,000 served in cavalry units formed in each colony, and were often known as mounted rifles, bushmen, or imperial bushmen."
"The first approach might be called the cavalry charge."