

The tree trunk was hollow.
Having an empty space inside; not solid.
The box was hollow inside.
She found a hollow log in the forest.
The sound echoed in the hollow room.
hollow tree
hollow sound
hollow space
empty
vacant
unfilled
They hollowed out the pumpkin for Halloween.
To make something empty inside; to remove the inside of something.
She hollowed out the bread to make a bowl.
He hollowed the log to create a canoe.
The artist hollowed the stone to carve a statue.
hollow out a tree
hollow out a space
hollow out a container
empty
excavate
remove