obstruction

noun

1. something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.
2. an act or instance of obstructing.
3. the state of being obstructed.
4. the delaying or preventing of business before a deliberative body, especially a legislative group, by parliamentary contrivances.

noun

1. a person or thing that obstructs
2. the act or an instance of obstructing
3. delay of business, esp in a legislature by means of procedural devices
4. sport the act of unfairly impeding an opposing player
5. the state or condition of being obstructed

n.1530s, from Latin obstructionem (nominative obstructio) “an obstruction, barrier, a building up,” noun of action from past participle stem of obstruere “build up, block, block up, build against, stop, bar, hinder,” from ob “against” (see ob-) + struere “to pile, build” (see structure (n.)). n.

1. The blocking of a body passage, as by clogging or stricture.
2. The state of being obstructed.
3. Something, such as a mass or stricture, that obstructs.