Meanings
nounpiriform sinus (plural piriform sinuses)
plural piriform sinuses · alternative pyriform sinus
- anatomyA small cavity or pocket between the lateral walls of the pharynx on each side and the upper part of the larynx.
Synonyms: piriform fossa, piriform recess
Synonyms & antonyms
nounA small cavity or pocket between the lateral walls of the pharynx on each side and the upper part of the larynx.
Also see
Translations
Chinese Mandarin 梨狀竇 /梨状窦
- 梨狀竇 /梨状窦 (lízhuàng dòu)cavity between the pharynx and the larynx
Greek απιοειδής βόθρος
- απιοειδής βόθρος (apioeidís vóthros)cavity between the pharynx and the larynx
Cite this entry
APA
piriform sinus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/piriform%20sinus
MLA
“piriform sinus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/piriform%20sinus. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “piriform sinus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/piriform%20sinus.
Source: piriform sinus on Wiktionary, CC BY-SA 4.0.