or·mer (ôr'mər) n.
Chiefly British An abalone, especially of the species Haliotis tuberculata, found chiefly in the Channel Islands.
[French dialectal, from French ormier, short for oreille-de-mer, translation of Latin auris maris, sea-ear : auris, ear; see ous- in Indo-European roots + maris, genitive of mare, sea; see mori- in Indo-European roots.]