trachea
noun
[ trəˈkiːə ]
• a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.
Origin:
late Middle English: from medieval Latin, from late Latin trachia, from Greek trakheia (artēria) ‘rough (artery)’, from trakhus ‘rough’.
