English▸ noun an edible mollusc of warm seas, with a shallow ear-shaped shell lined with mother-of-pearl and pierced with a line of respiratory holes. Also called ormer,, ear shell
Genus Haliotis, family Haliotidae, class Gastropoda.
– ORIGIN mid 19th century: from American Spanish abalón, from Rumsen (an Indigenous language of northern California) awlun.