Placoid

adj, noun

adj, noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Such a scale
  2. 2
    Any fish having placoid scales, such as the sharks
  3. 3
    A placodioid lichen
Adjective
  1. 1
    Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish not-comparable

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

Adjective
  1. 1
    as the hard flattened scales of e.g. sharks wordnet

Example

More examples

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

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.