ostracoderm

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noun

Any of the armored jawless fishes of the Paleozoic.

Scrabble 16

Meanings

nounostracoderm (plural ostracoderms)

plural ostracoderms

  1. biologyAny of the armored jawless fishes of the Paleozoic.

Origin

  1. Ancient Greekὄστρακον“pottery fragment; shell”
  2. New Latinostracum
  3. Englishostracoderm

From New Latin ostracum, from Ancient Greek ὄστρακον (óstrakon, “pottery fragment; shell”) + δέρμα (dérma, “skin”).

Full word history & related roots →
Cite this entry
APA

ostracoderm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ostracoderm

MLA

“ostracoderm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ostracoderm. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ostracoderm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ostracoderm.

Source: ostracoderm on Wiktionary, CC BY-SA 4.0.