- [noun] closure or blockage (as of a blood vessel)
- [noun] (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft
Synonyms: occluded front
- [noun] (dentistry) the normal spatial relation of the teeth when the jaws are closed
- [noun] an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"
Synonyms: blockage, block, closure, stop, stoppage
- [noun] the act of blocking
Synonyms: blockage, closure