Hi`er*arch"ic*al (?), a. [Cf. F. hi'erarchique.]
Pertaining to a hierarchy.
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Hi`er*arch`ic*al*ly, adv.
<-- MW10 = "of, relating to, or arranged in a hierarchy" -->
<-- 2. Pertaining to a transitive relation between objects by which they may be ordered into a hierarchy. -->
© Webster 1913.