weak stomach

: lacking strength: such as

: deficient in physical vigor : feeble, debilitated

: not able to sustain or exert much weight, pressure, or strain

: a saclike expansion of the digestive tract of a vertebrate that is located between the esophagus and duodenum and typically consists of a simple often curved sac with an outer serous covering, a strong muscular wall that contracts rhythmically, and an inner mucous membrane lining that contains gastric glands

: one of the compartments making up the stomach of a ruminant animal (such as a cow or sheep)

: a cavity in an invertebrate animal that is analogous to a stomach

: to take offense at

: to bear without overt reaction or resentment : put up with