HYDRA-TUBA
\hˈa͡ɪdɹətjˈuːbə], \hˈaɪdɹətjˈuːbə], \h_ˈaɪ_d_ɹ_ə_t_j_ˈuː_b_ə]\
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In zool. A locomotive, ciliated, trumpet-shaped body arising from the ovum of several groups of Hydrozoa. It develops a mouth and tentacles at the expanded extremity, and multiplies itself by gemmation, the liberated segments developing into medusoids of considerable size.
By Daniel Lyons
