Pharetrones
plural noun
Phar·e·tro·nes
: a group of sponges (class Calcispongiae) that are thick-walled and have the spicules united in a rigid network
pharetronid adjective
¦⸗⸗¦⸗nə̇d
Word History
Etymology
New Latin, from Latin pharetra quiver, from Greek, from pherein to bear + -tra, suffix denoting instrument