pneumatophore

noun pneu·mat·o·phore \nu̇-ˈma-tə-ˌfȯr, nyu̇-\

Definition of PNEUMATOPHORE

: a muscular gas-containing sac that serves as a float on a siphonophore colony

: a usually partially exposed root of a wetland plant (as a mangrove) that functions especially in the intake of oxygen from the atmosphere

International Scientific Vocabulary

First Known Use: 1859

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