His forHollow

Contribute an edit

Submissions are moderated and will not appear immediately.

Text

Allowed HTML: <em>, <strong>, <i>, <a href>, <p>, <ul>, <ol>, <li>, <sup>, <sub>. Links must be internal relative URLs.
Anything else, eg suggestion of category change, scientific name etc.

Photo

Photo of a hollow log
Something is hollow if is hard, but there is nothing inside. When you knock on something hollow it makes a different noise to knocking on something solid. Trees often become hollow if termites eat the center of them away.