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stomium

noun
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sto·​mi·​um | \ ˈstōmēəm \
plural stomia\ -​ēə \ also stomiums

Definition of stomium

1 : the thin-walled cells of the annulus marking the line or region of dehiscence of a fern sporangium
2 : the opening in an anther usually between lip cells through which dehiscence occurs

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History and Etymology for stomium

New Latin, from Greek stomion mouth

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Cite this Entry

“Stomium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stomium. Accessed 21 Oct. 2020.

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