A large group of moving things: an armada of ants crossing the lawn. (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 "armada" in a sentence
""But Lord Vader," whinnied Admiral Ozzel, "the armada is already moving along a prescribed route ...""
"The Martian armada is headed for Earth – and Invincible is the only thing that stands in their way!"
"No doubt, it means that my armada is unparalleled in its planetary conquest experience."