trachomedusan, a. and n. Zool.
(ˌtreɪkəʊmɪˈdjuːsən)
[f. mod.L. Trachomedusæ, pl., f. tracho-, var. of trachy- + Medusa: see -an.]
a. adj. Belonging to the sub-order Trachomedusæ of the order Trachymedusæ of Craspedote Hydrozoa. b. n. A hydrozoan of this sub-order.
| [1888 Rolleston & Jackson Anim. Life 749 The order Trachymedusæ..contains Medusæ which possess tentacles with a solid axis... There are two sub-orders, the Narcomedusæ and Trachomedusæ.] 1907 Gentl. Mag. July 97/2 No other known Trachomedusan had gourds on the manubrium. |