Definition of pyriform in English:

pyriform

adjective

Anatomy Biology
  • Pear-shaped.

    ‘the pyriform fossa’
    • ‘Microscopically, thin branching hyphae with pyriform conidia can be seen.’
    • ‘In normal persons, small amounts of food are commonly retained in the valleculae or pyriform sinus after swallowing.’
    • ‘Of these, aggregate silk is an adhesive, and piriform silk is used to affix dragline silk to substrates.’
    • ‘The bolus passes from the vallecula into the piriform sinuses, before entering the esophagus.’
    • ‘A pocket was dissected over the piriform aperture.’

Origin

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

Pronunciation:

pyriform

/ˈpirəˌfôrm/