Any obstruction that interferes with the movement of a fluid This term is most often used to describe an unwanted flow obstruction in a pipe, channel, hydraulic combined sewer overflow regulator or other regulator, tide gate, orifice, storm inlet grating, filter bed, screen, or other location where flow occurs
an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe
(Tıp, İlaç) Nasal congestion is the blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels. It is also known as nasal blockage, nasal obstruction, blocked nose, runny nose, and stuffy nose