megalaesthete
/ˌmɛɡəˈliːsθiːt/(also megalesthete) Zoology
noun
In a chiton: any of the numerous photoreceptive sensory structures distributed in megalopores over the surface of the valves.
Origin
Late 19th century; earliest use found in Henry Nottidge Moseley (1844–1891), naturalist. From megalo- + ancient Greek αἰσθητής person who perceives, here used for ‘organ of sense’; apparently coined by H. N. Moseley.