n.1 a the action of joining; the condition of being joined. b an instance of this.
2 Gram. a word used to connect clauses or sentences or words in the same clause (e.g. and, but, if).
3 a a combination (of events or circumstances). b a number of associated persons or things.
4 Astron. & Astrol. the alignment of two bodies in the solar system so that they have the same longitude as seen from the earth.
Phrases and idioms:
in conjunction with together with.
Derivatives:
conjunctional adj.
Etymology: ME f. OF conjonction f. L conjunctio -onis (as conjunct)