Ostracoda

plural noun

Os·​tra·​co·​da
ˌästrəˈkōdə,
äˈstrakədə
: a subclass of crustacea comprising small active mostly freshwater forms having the body enclosed in a bivalve shell composed of right and left valves, the body segmentation obscured, the abdomen rudimentary, and only seven pairs of appendages
ostracodan
-dᵊn
adjective
ostracodous
-dəs
adjective

Word History

Etymology

New Latin, from Greek ostrakōdēs testaceous, from ostrakon potsherd, shell

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Cite this Entry

“Ostracoda.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ostracoda. Accessed 26 May. 2024.

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