dipneumonous

\(ˈ) ̷ ̷| ̷ ̷mənəs\ adjective

Etymology: New Latin dipneumonus, from di- + -pneumonus (from Greek pneumon-, pneumōn lung)

1. : having two respiratory organs

2. : belonging to or characteristic of the Dipneumona

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dipneumonous, a. Zool.

(dɪpˈnjuːmənəs)

[f. mod.L. dipneumonus (f. Gr. δι-, δίς twice + πνεύµων lung) + -ous.]

Having two lungs or respiratory organs; said of the Dipneumona or two-lunged fishes, and of the Dipneumones or two-lunged spiders; also of Holothurians having a pair of respiratory organs.