dummy
nounUK /ˈdʌmi/
US /ˈdʌmi/
A dummy is a pretend thing that stands in for a real one.
The baby sucked on her dummy and fell asleep.
OTHER MEANINGS
2. A stupid or foolish person.
Don't be a dummy; read the instructions first.
3. A rubber or plastic teat given to a baby to suck.
She packed a spare dummy in the diaper bag.
4. A figure made to look like a person, used for display or practice.
The crash test dummy flew through the windshield.
5. A card game played with a partner whose hand is exposed.
We played a few hands of dummy after dinner.