Emily Dickinson Lexicon

OB-STRUC'TION, n. [L. obstructio.]

1. The act of obstructing.
2. Obstacle; impediment; any thing that stops or closes a way or channel. Bars of sand at the mouths of rivers are often obstructions to navigation.
3. That which impedes progress; hinderance. Disunion and party spirit are often obstructions to legislative measures and to public prosperity.
4. A heap. [Not proper.] Shak.