noun one of the placoides.
2. placoid ·noun any fish having placoid scales, as the sharks.
3. placoid ·adj platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.
noun one of the placoides.
2. placoid ·noun any fish having placoid scales, as the sharks.
3. placoid ·adj platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.
Webster English vocab. Английский словарь Webster. 2012