Share this entry

pyriform Line breaks: pyri|form
Pronunciation: /ˈpɪrɪfɔːm/
(also piriform)

Definition of pyriform in English:


Anatomy & Biology
Pear-shaped: the pyriform fossa
More example sentences
  • The bolus passes from the vallecula into the piriform sinuses, before entering the esophagus.
  • In normal persons, small amounts of food are commonly retained in the valleculae or pyriform sinus after swallowing.
  • A pocket was dissected over the piriform aperture.


Mid 18th century: from modern Latin pyriformis, from pyrum (misspelling of pirum 'pear') + -iform.

Definition of pyriform in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day confidant
Pronunciation: ˈkɒnfɪdant
a person with whom one shares a secret...