Definition of obelia in English:

obelia

noun

Zoology
  • A sedentary colonial coelenterate with upright branching stems bearing minute cups in which the polyps sit.

    • ‘Obelia is used in many zoology textbooks to exemplify the Hydrozoa life cycle.’
    • ‘In the coelenterate Obelia, the egg develops into a colonial hydroid consisting of a series of branching Hydra-like organisms called polyps.’
    • ‘Cnidarians of the genus Obelia form colonies of polyps in their asexual generation.’

Origin

Modern Latin, from Greek obelos pointed pillar.

Pronunciation:

obelia

/ə(ʊ)ˈbiːlɪə/