noun pseu·dos·to·ma \süˈdästəmə\

Definition of pseudostoma

  1. 1 :  a stigma in serous membrane filled by intercellular substance or otherwise closed

  2. 2 :  the temporary mouth of a larval echinoderm

  3. 3 :  the osculum of a sponge


\¦südə¦stōmətəs, -täm-\ or


\(ˈ)sü¦dästəməs\ adjective

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Origin and Etymology of pseudostoma

New Latin, from pseud- + stoma

Seen and Heard

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a rounded knoll or a ridge of ice

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