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)