pneumatophore

noun

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pneu·mat·o·phore | \ nu̇-ˈma-tə-ˌfȯr

, nyu̇- \

Definition of pneumatophore

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

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

Examples of pneumatophore in a Sentence

Recent Examples on the Web The arrangement of these pneumatophores can help scientists tell pterosaur species apart. — Michael Greshko, National Geographic, 10 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pneumatophore.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.