Obstruct v. t. : To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.

Obstruct v. t. : To be, or come, in the way of; to hinder from passing; to stop; to impede; to retard; as, the bar in the harbor obstructs the passage of ships; clouds obstruct the light of the sun; unwise rules obstruct legislation.

Example:
Is it possible for gallstones to Obstruct your esophagus?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, struc, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, Search, struct, kt, äb, transitive verb, Etymology, Latin.

Defination from the web:
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