%conjunction%

n. [ L. conjunctio: cf. F. conjunction. See Conjoin. ] 1. The act of conjoining, or the state of being conjoined, united, or associated; union; association; league. [ 1913 Webster ]

He will unite the white rose and the red:
Smille heaven upon his fair conjunction. Shak. [ 1913 Webster ]

Man can effect no great matter by his personal strength but as he acts in society and conjunction with others. South. [ 1913 Webster ]

2. (Astron.) The meeting of two or more stars or planets in the same degree of the zodiac; as, the conjunction of the moon with the sun, or of Jupiter and Saturn. See the Note under Aspect, n., 6. [ 1913 Webster ]

☞ Heavenly bodies are said to be in conjunction when they are seen in the same part of the heavens, or have the same longitude or right ascension. The inferior conjunction of an inferior planet is its position when in conjunction on the same side of the sun with the earth; the superior conjunction of a planet is its position when on the side of the sun most distant from the earth. [ 1913 Webster ]

3. (Gram.) A connective or connecting word; an indeclinable word which serves to join together sentences, clauses of a sentence, or words; as, and, but, if. [ 1913 Webster ]

Though all conjunctions conjoin sentences, yet, with respect to the sense, some are conjunctive and some disjunctive. Harris. [ 1913 Webster ]