The story
From a humorous allusion to the flapping motion of a manta ray's pectoral fins when it is swimming or breaching.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A manta ray. Full definition →
From a humorous allusion to the flapping motion of a manta ray's pectoral fins when it is swimming or breaching.
Etymology from Wiktionary, CC BY-SA 4.0.