Associations to the word «Placoid»
Wiktionary
PLACOID, adjective. Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.
PLACOID, noun. Any fish having placoid scales, such as the sharks.
Dictionary definition
PLACOID, adjective. As the hard flattened scales of e.g. sharks.
Wise words
When you have spoken the word, it reigns over you. When it
is unspoken you reign over it.