the size of your hand.
big as the adult's heart
The Big heart
The Big Heart was created in 1945.
the humpback whales heart is as big as a small car
A big heart
as big as a washer
Not that big
"With a big heart" means one is sensitive to the needs of others.
Experts say a person's heart is as big as that person's clenched fist (if it is healthy)
its as big as a baked poatato
As big as a whale!
About as big as your fist