trachea
tra·chea
noun \ˈtrā-kē-ə\ plural tra·che·ae\-kē-ˌē, -kē-ˌī\ also tra·che·as or tra·chea
Definition of TRACHEA
1
: the main trunk of the system of tubes by which air passes to and from the lungs in vertebrates
2
[New Latin, from Medieval Latin] : vessel 3b; also : one of its constituent cellular elements
3
[New Latin] : one of the air-conveying tubules forming the respiratory system of most insects and many other arthropods
— tra·che·al \-kē-əl\ adjective
Origin of TRACHEA
Middle English, from Medieval Latin, from Late Latin trachia, from Greek tracheia (artēria) rough (artery), from feminine of trachys rough
First Known Use: 14th century
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