To bring or gather together again: reassembled the band for a reunion tour.
To fit or join the parts of (something) together again: reassembled the toaster after fixing it.
To gather together again, especially in a different place: The sightseerers reassembled at the bus station.
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.