plural of pernicious anæmia

Third-person singular simple present indicative form of error

A small red worm or larva, used as bait for fish. / A young salmon or parr, in the stage in which it has transverse black bands, as if burned by a gridiron.

a cheese traditionally produced in France and some areas of Belgium and the Netherlands that uses intentionally introduced cheese mites to add flavor by their action on the surface of the cheese