To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of.
To give a valid excuse for past behavior.
To make something plain or intelligible.
To thwart or stump; to cause to fail or to leave hopelessly puzzled, confused, or stuck.
To bring into the position of, or impede by, a stymie.
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.