noun
tummy
TUH-mee
noun
1
(informal, especially with children) The stomach or belly.
"Her tummy grumbled loudly during the meeting."
"The doctor gently pressed on the baby's tummy to check for tenderness."
How to Use Tummy
Learner’s notesIn plain EnglishA casual, friendly word for the stomach, often used with or by children.
When to use it
Informal — used in casual conversation and with children, not in medical or formal writing (use "stomach" or "abdomen" instead).
Common pairings
tummy ache
tummy button
upset tummy
Word Forms
tummies plural
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Etymology
A childlike softening of "stomach," via the older colloquial form "stummy" — the same kind of playful shortening seen in words like "pasghetti" for spaghetti.