Hŏl'o-thū'ri-de, n.
n. (Zoöl.) A family of animals belonging to the order Echinodermata, having a free, cylindrical body, thick, soft, and very contractile; the mouth terminal, and surrounded with tentacula. Eng. Cyc.
n. (Zoöl.) A family of animals belonging to the order Echinodermata, having a free, cylindrical body, thick, soft, and very contractile; the mouth terminal, and surrounded with tentacula. Eng. Cyc.