placoid

P3L1A1C3O1I1D2

adjective

Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish

Similar
platelikeplanartwo-dimensional
OriginAncient Greek πλάξ →
Scrabble 12
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Meanings

adjectiveplacoid (not comparable)
  1. not comparablePlatelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish

    What about the carp? He regarded the two placoid shapes with doubt.

    1979, Cormac McCarthy, Suttree, Random House, page 68
nounplacoid (plural placoids)

plural placoids

  1. Such a scale
  2. Any fish having placoid scales, such as the sharks
  3. A placodioid lichen

Synonyms & antonyms

adjectiveas the hard flattened scales of e.g. sharks

Similar
platelikeplanartwo-dimensional
Also see
planarplateliketwo-dimensional

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekπλάξ
  2. Englishplacoid

From Ancient Greek πλάξ (pláx, stem plak-) + -oid.

More words from Ancient Greek

Full word history & related roots →

Rhymes & wordplay

Anagrams

podalicpodical
Cite this entry
APA

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

MLA

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

Chicago

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

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