catheter

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noun cath·e·ter \ˈka-thə-tər, ˈkath-tər\

Definition of catheter

  1. :  a tubular medical device for insertion into canals, vessels, passageways, or body cavities usually to permit injection or withdrawal of fluids or to keep a passage open — compare balloon catheter

Origin and Etymology of catheter

Late Latin, from Greek kathetēr, from kathienai to send down, from kata- cata- + hienai to send — more at jet


First Known Use: 1601


CATHETER Defined for English Language Learners

catheter

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noun cath·e·ter \ˈka-thə-tər, ˈkath-tər\

Definition of catheter for English Language Learners

  • medical : a thin tube that is put into the body to remove or inject a liquid or to keep a passage open


Medical Dictionary

catheter

play
noun cath·e·ter \ˈkath-ət-ər, ˈkath-tər\

Medical Definition of catheter

  1. :  a tubular medical device for insertion into canals, vessels, passageways, or body cavities for diagnostic or therapeutic purposes (as to permit injection or withdrawal of fluids or to keep a passage open)



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