蜂ほう巣そう胃いMeanings1nounreticulumzoologyZoological term for the second stomach compartment of ruminants, also called the honeycomb stomach.牛うしの蜂ほう巣そう胃いはハチの巣すのような構こう造ぞうをしている。The cow's reticulum has a honeycomb-like structure.