hiatus hernia
noun /haɪˌeɪtəs ˈhɜːniə/
/haɪˌeɪtəs ˈhɜːrniə/
(British English) (North American English hiatal hernia
(medical) /haɪˌeɪtl ˈhɜːniə/
/haɪˌeɪtl ˈhɜːrniə/
)- a condition in which an organ, especially the stomach, sticks out through an opening in the diaphragm