To obstruct, cover, or otherwise block (an opening, a portion of an image, etc.).
To absorb, as a gas by a metal.
To bring into the position of, or impede by, a stymie.
To thwart or stump; to cause to fail or to leave hopelessly puzzled, confused, or stuck.
A situation where an opponent's ball is directly in the way of one's own ball and the hole, on the putting green (abolished 1952).
An obstacle or obstruction.