Ocellus :: Ocellus (n.) A little eye; a minute simple eye found in many invertebrates.
Ocellus :: Ocellus (n.) An eyelike spot of color, as those on the tail of the peacock..
Procellarian :: Procellarian (n.) One of a family of oceanic birds (Procellaridae) including the petrels, fulmars, and shearwaters. They are often seen in great abundance in stormy weather..