n. A piece of ceramic from pottery, often found on an archaeological site.
the GNU version of the Collaborative International Dictionary of English
n. A piece or fragment of a broken pot.
The Century Dictionary and Cyclopedia
n. A piece or fragment of an earthenware pot; any broken fragment or piece of earthenware.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a shard of pottery
Word Usage
"A potsherd is a shard of pottery with archaelogical value, and so I've settled on that word to title what will be, I hope, an occasional series of posts digging worthwhile bits and pieces out of the archives of weblogs that I read."