- armed Gephyreans
- Echiuroidea Ech`i*u*roi"de*a, n. pl. [NL., fr. echiurus, the name of one genus (Gr. 'e`chis an adder + o'yra` tail) + -oid.] (Zo["o]l.) A division of Annelida which includes the genus {Echiurus} and allies. They are often classed among the Gephyrea, and called the {armed Gephyreans}. [1913 Webster]
The Collaborative International Dictionary of English. 2000.