jellyfish | ||
1. | [ noun ] (zoology) large siphonophore having a bladderlike float and stinging tentacles | |
Synonyms: | man-of-war Portuguese_man-of-war | |
Related terms: | siphonophore Physalia | |
2. | [ noun ] (zoology) any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans | |
Synonyms: | medusan medusa | |
Related terms: | coelenterate Chrysaora_quinquecirrha Aegina Cnidaria | |