OBSTRUC'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.]