Is it a food word?  You be the judge!

• 01.004 in the stomach;
• 06.035 His stomach felt all empty
• 06.046 and my stomach is wagging like an empty sack.’
• 06.100 Soon Bilbo’s stomach was feeling full
• 08.050 but to tighten the belts round their empty stomachs,
• 08.076 in spite of an empty stomach,