• synonyms


[kley-vuh s, klah-]
noun, plural cla·vi [kley-vahy, -vee] /ˈkleɪ vaɪ, -vi/.
  1. Psychiatry. an intense headache in which the pain is likened to one that would be produced by a sharp object driven into the skull.
  2. (in ancient Rome) a vertical stripe or band of purple worn on the tunic by senators and equites.
  3. Entomology. clavola.
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Origin of clavus

1800–10; < Latin: literally, nail; akin to claudere to close
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for clavus

Historical Examples

  • In mediæval times the cross in a circle was sometimes called the “clavus” .

    Needlework As Art

    Marian Alford

  • On his later map Clavus has made up for the want of names in an astonishing way.

  • I think this is attributing to Clavus rather too much original thought, of which his maps and text do not otherwise give evidence.

  • It is clavus when there is a strong pulsation, conveying the sensation of a nail piercing the part.

  • The figures of D. clavus by Albertini and Schweinitz are excellent, as also the description.

    The North American Slime-Moulds

    Thomas H. (Thomas Huston) MacBride

clavus in Medicine


(klāvəs, klä-)
n. pl. cla•vi (-vī′)
  1. corn
  2. A condition resulting from healing of a granuloma of the foot in yaws, in which a core falls out, leaving an erosion.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.