plural pyxidia
or pyxidiums
: a capsular fruit (as in the plantain) that dehisces around its circumference so that the upper portion falls off like a cap compare circumscissile

Word History


New Latin, from Greek pyxidion, diminutive of pyxis box

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Dictionary Entries Near pyxidium

Cite this Entry

“Pyxidium.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2024.

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