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  1. of or pertaining to, serving for; adjective suffix appended to various words, often nouns but also verbs, to make an adjective form. Often added to words of Latin origin, but used with other words also[1]
    excrete and excretory, sense and sensory, statute and statutory.
  2. that which pertains to, or serves for; noun suffix appended to various words[2]
    ambulatory, dormitory, factory


Derived terms[edit]


  1. 1.0 1.1 -ory” in The American Heritage Dictionary of the English Language, Fourth Edition, Houghton Mifflin Company, 2000.
  2. 2.0 2.1 -ory in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913