Definition of cannula in English:


Syllabification: can·nu·la
Pronunciation: /ˈkanyələ

noun (plural cannulae /-lē, -lī/ or cannulas)

A thin tube inserted into a vein or body cavity to administer medicine, drain off fluid, or insert a surgical instrument.
More example sentences
  • An intravenous cannula is inserted and fluids are administered directly into the circulation.
  • The company's surgical navigator uses radiographic imaging to help a surgeon accurately guide cannulae and surgical instruments to targeted areas of the spine.
  • Umbilical tapes are placed around the SVC and IVC cannulas to hold the cannulas and tourniquets in place during surgery.


late 17th century: from Latin, 'small reed', diminutive of canna (see cane).

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