book lung

noun

Definition of book lung

  1. :  a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book

First Known Use of book lung

1881


Medical Dictionary

book lung

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noun \ˈbu̇k-\

Medical Definition of book lung

  1. :  a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book


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