chilostome, a. and n. Zool.
(ˈkaɪləstəʊm)
Also cheilo-.
[ad. mod.L. chilostomata: see chilostomatous a.]
A. adj. Of, pertaining to, or resembling the Chilostomata, an order of marine Polyzoa. B. n. A member of this order.
1896 Harmer in Cambr. Nat. Hist. II. 481 The operculum is usually..a conspicuous feature of the Cheilostome zoœcium. Ibid. 486 Some marine Cheilostomes may be saved from attacks.. owing to the existence of their armoury of avicularia and vibracula. 1912 Brit. Museum Return 173 The collection of Cretaceous Cheilostome Polyzoa from France. 1959 L. H. Hyman Invertebrates V. xx. 374 The cheilostomes are the dominant group of existing ectoprocts. |