1. Noun
The windpipe. See Illust. of Lung.
2. Noun
One of the respiratory tubes of insects and arachnids.
3. Noun
One of the large cells in woody tissue which have spiral, annular, or other markings, and are connected longitudinally so as to form continuous ducts.
4. Noun
one of the tubules forming the respiratory system of most insects and many arachnids
Vocabulary classified under Medicine and healthcare
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