Noah Webster's New International Dictionary of the English Language

1. (n.) Wise planning for the future; prescience; foreknowledge.

2. (n.) Action in reference to the future; provident care; prudence; wise forethought.

3. (n.) Any sight or reading of the leveling staff, except the backsight; any sight or bearing taken by a compass or theodolite in a forward direction.

4. (n.) Muzzle sight. See Fore sight, under Fore, a.