the action or an instance of two or more events or things occurring at the same point in time or space
a conjunction of Mercury or Venus with the sun, in which the planet and the earth are on the same side of the sun
a conjunction of Mercury or Venus with the sun, when the planet and the earth are on opposite sides of the sun
a conjunction placed between words, phrases, clauses, or sentences of equal rank, e.g., and, but, or
a conjunction that introduces a subordinate clause, e.g., although, because