adjective
Definition: Relating to a class of marine animals known for their flower-like appearance, often found in deep waters.
Example: The crinoid species are fascinating to study due to their unique structures.
noun
Definition: A type of marine animal that belongs to a group called echinoderms, known for their cup-shaped body and feathery arms. They can be found attached to surfaces in the ocean.
Example: The crinoid swayed gently in the water, its arms reaching out to catch tiny food particles.