胃 appears in 胃口 (wèikǒu, appetite), 胃病 (wèibìng, stomach illness), 肠胃 (chángwèi, gastrointestinal). The expression 没胃口 (méi wèikǒu) means 'no appetite.'
culture
In Chinese medicine, the 胃 (stomach) and 脾 (spleen) are considered a pair. 'Nurturing the spleen and stomach' (养脾胃) is a central concept in traditional health practices.