noun
primitive jawless aquatic vertebrate: lampreys; hagfishes
• Syn: ↑order Cyclostomata
• Hypernyms: ↑animal order
• Member Holonyms: ↑Agnatha, ↑superclass Agnatha
• Member Meronyms:
↑cyclostome, ↑Petromyzoniformes, ↑suborder Petromyzoniformes, ↑Hyperoartia, ↑suborder Hyperoartia, ↑Petromyzontidae, ↑family Petromyzontidae, ↑Myxiniformes, ↑suborder Myxiniformes, ↑Hyperotreta, ↑suborder Hyperotreta, ↑Myxinoidei, ↑Myxinoidea, ↑suborder Myxinoidei, ↑Myxinidae, ↑family Myxinidae
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I. \\ˌ ̷ ̷ ̷ ̷ at cyclo-+ˈstōməd.ə, -täm-\synonym of cyclostomi
II. noun plural
Usage: capitalized
: an order of bryozoans (class Gymnolaemata) comprising colonial forms with tubular calcareous zooecia having circular apertures without opercula and lacking both avicularia and vibracula
Useful english dictionary. 2012.