A normal or customary sequence. / A programme, a chosen manner of proceeding. / Any ordered process or sequence of steps. / A learning programme, whether a single class or (UK) a major area of study.

To run or flow (especially of liquids and more particularly blood). / (transitive) To run through or over.

(colloquial) Ellipsis of of course.

(now rare, except in matter of course) That is part of ordinary behaviour or custom; customary, natural.

(now rare) In due course; as a matter of course, as a natural result. / Naturally, as would be expected; for obvious reasons, obviously.

Indicates enthusiastic agreement.

plural of course

(obsolete, euphemistic) Menses.

Third-person singular simple present indicative form of course

(idiomatic) Following the intended route. / (idiomatic) Proceeding smoothly as planned. / (idiomatic) Likely to happen or to undergo something.