an act of joining; combining.

the state of being joined; union.

a place or point where two or more things are joined, as a seam or joint.

a place or point where two or more things meet or converge.

a place or station where railroad lines meet, cross, or diverge.

an intersection of streets, highways, or roads.

something that joins other things together

He used the device as a junction between the branch circuit and the main power lines.

noun

alliance , annexation , articulation , assemblage , attachment , bond , coalition , coherence , collocation , combination , combine , concatenation , concourse , concursion , confluence , conjugation , consolidation , convergence , coupling , crossing , crossroads , dovetail , elbow , gathering , gore , hinge , hookup , interface , intersection , joining , joint , juncture , knee , link , linking , meeting , miter , mortise , node , pivot , plug-in , reunion , seam , splice , terminal , tie-in , tie-up , union , weldnotes:junction means the place where two or more things come together while juncture means an event that occurs at a critical time or point in time when a critical decision must be made , connection , conflux , contact , transition