'Trichotomy' definitions:

Definition of 'trichotomy'

(from WordNet)
noun
Being threefold; a classification into three parts or subclasses

Definition of 'Trichotomy'

From: GCIDE
  • Trichotomy \Tri*chot"o*my\, n. [Gr. tri`cha threefold, in three parts + te`mnein to cut or divide: cf. F. trichotomie.] Division into three parts. [1913 Webster]