Zoological term for the second stomach compartment of ruminants, also called the honeycomb stomach.
牛の網胃はハチの巣のような構造をしている。
The cow's reticulum has a honeycomb-like structure.
Compound of 網 (ami, 'net') and 胃 (i, 'stomach'), referring to the net-like internal structure of the reticulum.