en·chy·trae·us \-ēəs\noun Usage: capitalized Etymology: New Latin, from en- (II)+ Greek chytraios of earthenware, from chytra earthen pot, from chein to pour : a genus of small white worms (family Enchytraeidae) comprising both terrestrial and aquatic forms, often found in sewage filters, and widely propagated as food for aquarium fishes