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1. 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.
2. The forces used to effect this isolation.
tr.v. block·ad·ed, block·ad·ing, block·ades
To set up a blockade against: blockaded the harbor.

[Probably block + -ade (as in barricade).]

block·ad′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The NOC said in a statement that storage tank 12 in Ras Lanuf had been "significantly damaged" in fighting earlier in June, when armed forces linked to former oil port blockader Ibrahim Jathran stormed the two ports, leading to their closure.
(4) Yet the political, economic, and financial aspects of sustaining a unilateral--or perhaps bilateral, if not alliance-based--oil blockade against China mean that even a militarily successful blockader could find its political, economic, and diplomatic position rendered untenable well before a blockade could exert its full effects.
More recently, the inhibition of apelin with pharmacology blockader (F13A) increased liver regeneration after hepatectomy, strengthening the potential importance of apelin in liver diseases [126].
We're protecting it for both sides." (44) Diane Brown, Gaahlaay's granddaughter and a blockader, recognized that when the Elders came to the line, they brought history with them, validating this struggle as a part of the long narrative of the Haida Nation.
As demonstrated by the US naval "quarantine" during the 1962 Cuban missile crisis, this is especially true when the blockade is limited to embargoing only a limited set of items or is targeted against an easily isolated country located close to the blockader's homeland.
It was combined in turn with four poorly water soluble drugs of different properties and biomedical functions: carvedilol (a nonselective adrenergic receptor blocker, indicated in the treatment of mild-to-moderate congestive heart failure), itraconazole (an antifungal agent that impairs ergosterol synthesis, used among others against histoplasmosis, cryptococcal meningitis, and aspergillosis), nevirapine (a potent, non-nucleoside reverse transcriptase inhibitor used for treatment of HIV infection and AIDS), and nimodipine (a calcium channel blockader with preferential cerebrovascular activity).
Everyone knows that those channels, operated by the criminal blockader itself, are designed to impede the flow of everything and everyone to and from Gaza.
Relaxing in a blockader's kitchen one fair September morning, I was asked "a question about anthropology." !
Any patent that creates a blockade without revenue would provide a service to holders of existing patents--mainly to inventors and innovators other than the blockader. If, in fact, the return to new inventions has turned downward as Eisenberg and Heller suppose, then we should expect a decline in the levels of research and development, the value of new patented materials, or the number of patents filed and granted.
Hunley, a submersible known as the "South's secret weapon," had just turned for shore after sinking the Union blockader USS Housatonic one chilly February night in 1864, when it vanished in Charleston Harbor, S.C., with all hands.