The workers were hollowing out the tree trunk to make a canoe.

The hollowing of the tree trunk created a perfect hiding spot.

The tree trunk is hollower than the branch.

The hollower carved intricate designs into the wooden sculpture.

The hollownesses in his arguments were evident.

The hollowings in the tree trunk provided shelter for small animals.

The hollowers gathered in the forest to discuss their plans.

She hollowed out the pumpkin to make a jack-o'-lantern.

The old tree trunk was hollowed out by termites.

The hollowed-out tree trunk served as a shelter for the animals.