Word Study
haliotis
CIDE DICTIONARY
haliotis, prop. n. [NL., fr. Gr. "a`ls sea + o'y^s, 'wto`s, ear.].
A genus of marine shells; the ear-shells. See Abalone. [1913 Webster]
OXFORD DICTIONARY
haliotis, n. any edible gastropod mollusc of the genus Haliotis with an ear-shaped shell lined with mother-of-pearl.
Etymology
Gk hals hali- sea + ous ot- ear
For further exploring for "haliotis" in Webster Dictionary Online