1. (noun)manta a blanket that is used as a cloak or shawl Synonyms: devilfish, manta ray
2. (noun)manta, manta ray, devilfish extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned Synonyms: manta, octopus, devilfish, greywhale, graywhale, manta ray