< /ˈkæn yəˌli/. Surgery.
- a metal tube for insertion into the body to draw off fluid or to introduce medication.
noun plural -las or -lae (-ˌliː)
- surgery a narrow tube for insertion into a bodily cavity, as for draining off fluid, introducing medication, etc
1680s in surgical sense, from Latin cannula “small reed or pipe,” diminutive of canna “reed, pipe” (see cane (n.)).
n.
- Insertion of a cannula.
n. pl. can•nu•las
- A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.