course

(noun): A sequence of events.
(noun): A path that something or someone moves along.
(noun): The lowest square sail in a fully rigged mast, often named according to the mast.
(noun): (in the plural, courses) Menses.
(noun): A row or file of objects.
(noun): One or more strings on some musical instruments (such as the guitar, lute or vihuela): if multiple, then closely spaced, tuned in unison or octaves and intended to played together.
(verb): To run or flow (especially of liquids and more particularly blood).
(verb): To run through or over.
(verb): To pursue by tracking or estimating the course taken by one's prey; to follow or chase after.
(verb): To cause to chase after or pursue game.

The normal course of events seems to be just one damned thing after another.
His illness ran its course.
Main course and mainsail are the same thing in a sailing ship.
Blood pumped around the human body courses throughout all its veins and arteries.
to course greyhounds after deer