Cnidaria

Definition:

• (n. pl.) A comprehensive group equivalent to the true Coelenterata, i. e., exclusive of the sponges. They are so named from presence of stinging cells (cnidae) in the tissues. See Coelenterata.

Compare cnidaria with other words:

cnidaria vs. metazoan

cnidaria vs. cnidarian

cnidaria vs. jellyfish

cnidaria vs. porifera

acaleph vs. cnidaria