blockage

US /ˈblɑː.kɪdʒ/
UK /ˈblɑː.kɪdʒ/
"blockage" picture
1.

an obstruction in a pipe, tube, or other passage

:
There's a blockage in the kitchen sink drain.
The doctor found a blockage in his artery.
2.

the action or process of obstructing something

:
The police created a blockage to prevent the protestors from advancing.
The sudden snowfall caused a blockage on the mountain pass.