Pronunciation: ˌ h ī -dr ō -mi- ' dü-s ə , - ' dyü-, -z ə
Function: noun
Inflected Form: plural -sae \ - ˌ s ē , - ˌ z ē \
Etymology: New Latin
Date: circa 1889
: a jellyfish (as of the orders Anthomedusae and Leptomedusae) produced as a bud from a hydroid