Hydra
nounfeminine/ˈi.dɾɐ/low
hi·dra
Definition
1. In Greek mythology, a many-headed water serpent whose heads regrew when cut off, slain by Hercules. 2. A small freshwater invertebrate animal of the genus Hydra, with a tubular body and tentacles.
The Lernaean Hydra was one of Hercules' twelve labours.
We studied the hydra under the microscope in biology class.
Common collocations
Lernaean Hydraheads of the hydrafreshwater hydra
Etymology
Do latim 'hydra', do grego 'hýdra' (serpente de água).