What is another word for old bread?

Here are some words for old bread, depending on the context:

General:

* Stale

* Hard

* Dry

* Day-old

Specific:

* Croutons (if the bread has been cubed and toasted)

* Breadcrumbs (if the bread has been ground into crumbs)

* Toast (if the bread has been toasted)

* Rusk (a type of twice-baked bread)

* Biscotti (a type of hard, twice-baked cookie, often made with bread)

The best word to use depends on the specific situation.