/ ˈkænjʊlə; NAmE / noun
( pl. can·nulae / -liː; NAmE / or can·nulas ) ( medical ) a thin tube that is put into a vein or other part of the body, for example to give sb medicine
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WORD ORIGIN
late 17th cent.: from Latin small reed , diminutive of canna from Greek kanna , kannē , of Semitic origin.