Learn how to say Conjunctions correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word conjunction:
a joining together or being joined together; union; association; combination
an occurring together; coincidence ⇒ the conjunction of events
(astrology, astronomy) the condition of two or more celestial bodies, esp. a planet with the sun, located along the same celestial longitude when observed from the earth
(grammar) an uninflected word used to connect words, phrases, clauses, or sentences; connective: conjunctions may be coordinating (Ex.: and, but, or), subordinating (Ex.: if, when, as, because, though), or correlative (Ex.: either . . . or, both . . . and)