Word Study
echinulate |
echinus |
echinus esculentus |
echium |
echium vulgare |
echiuroidea
| echo
| echo chamber
| echo sounder
| echo sounding
| echocardiogram
echiuroidea
CIDE DICTIONARY
echiuroidea, n. pl. [NL., fr. echiurus, the name of one genus (Gr. 'e`chis an adder + o'yra` tail) + -oid.].
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]
For further exploring for "echiuroidea" in Webster Dictionary Online
