Take this medication 'on an empty stomach'. [=when your stomach is empty because you have not eaten for a time]
When I had the flu, just the thought of eating made me 'sick to my stomach'. [='nauseous']
She felt a flutter in 'the pit of her stomach' when he walked through the door.
(..) Dr Reid, can you help him out? Superior mesenteric insufficiency. That's my girl. Patient number two. ''Superior mesenteric...'' Draining stomach fluid will get my spirits up. - Circles for you. - Shut up and do it. Fantastic. Now just suck out the fluid with the giant needle. (..)2001 TvShow: Scrubs Title: My First Day Season: 1 Episode 1