a. and sb. Zool. [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. sb. 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.
