Nexus

n.

1.

Connection; tie. Man is doubtless one by some subtile nexus . . . extending from the new-born infant to the superannuated dotard. - De Quincey.

Noun	1.	nexus - the means of connection between things linked in series Synonyms: link
	2.	nexus - a connected series or group

Indian file, array, articulation, bank, buzz, catena, catenation, chain, chain reaction, chaining, concatenation, connection, consecution, continuum, course, cycle, descent, drone, endless belt, endless round, file, filiation, gamut, gradation, hum, knot, ligament, ligature, line, lineage, link, monotone, pendulum, periodicity, plenum, powder train, progression, queue, range, rank, recurrence, reticulation, rotation, round, routine, row, run, scale, sequence, series, single file, spectrum, string, succession, swath, thread, tie, tier, train, vinculum, windrow, yoke