BLOCKAGE
blockage, closure, occlusion
(noun) the act of blocking
blockage, block, closure, occlusion, stop, stoppage
(noun) an obstruction in a pipe or tube; “we had to call a plumber to clear out the blockage in the drainpipe”
obstruction, blockage
(noun) the physical condition of blocking or filling a passage with an obstruction
Source: WordNet® 3.1
Etymology
Noun
blockage (countable and uncountable, plural blockages)
The state of being blocked.
A thing that is blocking; an obstruction.
Source: Wiktionary
Block"age, n.
Definition: The act of blocking up; the state of being blocked up.
Source: Webster’s Unabridged Dictionary 1913 Edition