from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Loss of the motor ability that enables speech.

from The Century Dictionary and Cyclopedia

  • n. Absence of joints or of jointed limbs.
  • n. Inability to articulate distinctly in speaking, dependent on a central nervous defect, but not involving paralysis of the muscles of articulation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. partial or total loss of articulate speech resulting from lesions of the central nervous system


New Latin, from Greek anarthros, not articulated; see anarthrous.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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