rīˈzästəˌmē noun plural
Usage: capitalized
Etymology: New Latin, from Rhizostoma, genus of jellyfishes, from rhiz- + -stoma
: an order of Scyphozoa comprising jellyfishes that are related to the Semaeostomeae but are distinguished from them by fused oral lobes, by numerous small mouths replacing the primary mouth, and by the absence of tentacles and including various large jellyfishes that are dried and used as food in China and Japan
• rhi·zo·stoma·tous |rīzə|stōməd.əs, -täm- adjective
• rhi·zo·stome ˈrīzəˌstōm noun -s
• rhi·zos·to·mous (ˈ)rī|zästəməs adjective