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

  • adj. Shaped like a pear.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the form of a pear; pear-shaped.

from The Century Dictionary and Cyclopedia

  • Pear-shaped; having the general shape of a pear; obconic; differing from egg-shaped or oviform in having a slight constriction running around it, or, in section, a reverse or concave curve between the convex curves of the two ends: as, a pyriform vase. See cut of egg under plover.
  • n. In anatomy, the pyriformis.


Medieval Latin pyrum, pear (alteration of Latin pirum) + -form.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From New Latin pyrifōrmis, from Latin pyrum ("pear"). (Wiktionary)


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