n.
- The isolation of a nation, area, city, or harbor by hostile ships or forces in order to prevent the entrance and exit of traffic and commerce.
- The forces used to effect this isolation.
To set up a blockade against. See synonyms at besiege.
[Probably BLOCK + -ade (as in BARRICADE).]
blockader block·ad'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.