courses

1. A sequence of events.

   The normal course of events seems to be just one damned thing after another.

2. A path that something or someone moves along.

   His illness ran its course.

3. The lowest square sail in a fully rigged mast, often named according to the mast.

   Main course and mainsail are the same thing in a sailing ship.

4. (in the plural, courses) Menses.
5. A row or file of objects.
6. 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.

1. To run or flow (especially of liquids and more particularly blood).

   Blood pumped around the human body courses throughout all its veins and arteries.

2. To run through or over.
3. To pursue by tracking or estimating the course taken by one's prey; to follow or chase after.
4. To cause to chase after or pursue game.

   to course greyhounds after deer

noun

Menses.