a jellyfish (medusa) formed from a bud produced asexually on a hydroid
Origin of hydromedusaModL: see hydro- and amp; medusa
nounpl. hy·dro·me·du·sas or hy·dro·me·du·sae
A hydrozoan in the medusoid stage of its life cycle.
Origin of hydromedusahydro– + medusa.
- The South American snake-necked turtle.