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From Latin disclusio, from discludere, disclusum (to separate). See disclose.



  1. (obsolete) A shutting off; exclusion.
    (Can we find and add a quotation of Dr. H. More to this entry?)
  2. (dentistry) A separation of the teeth when the jaw is slightly opened.
  3. (dentistry) Especially, a separation of posterior teeth when the lower jaw moves forward, as a natural result of the alignment of the anterior teeth.

Related terms[edit]

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for disclusion in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)