ArcheusAr*che"us\, n. [LL. arch[=e]us, Gr. 'archai^os ancient, primeval, fr. 'archh` beginning. See Archi-, pref.] The vital principle or force which (according to the Paracelsians) presides over the growth and continuation of living beings; the anima mundi or plastic power of the old philosophers. [Obs.] --Johnson.
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