deltidium

noun

del·​tid·​i·​um
plural deltidia
-dēə
1
: a plate partly or wholly closing the delthyrium of certain brachiopods

called also pseudodeltidium

2
: a pair of plates not homologous with the pseudodeltidium that performs the same function in other brachiopods

called also deltidial plates

Word History

Etymology

New Latin, from Greek delta + New Latin -idium

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Dictionary Entries Near deltidium

Cite this Entry

“Deltidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deltidium. Accessed 10 Oct. 2024.

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