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tetraneumona |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Tetraneumona \Tet`ra*neu"mo*na\, n. pl [NL. See {Tetra-}, and {Pneumo-}.] (Zo["o]l.) A division of Arachnida including those spiders which have four lungs, or pulmonary sacs. It includes the bird spiders (Mygale) and the trapdoor spiders. See {Mygale}.