Potsherd
Easton's Dictionary
A “shred”, i.e., anything severed, as a fragment of earthenware (Job 2:8; Prov. 26:23; Isa. 45:9).
Smith's Dictionary
also in Authorized Version “sherd,” a broken piece of earthenware. (Proverbs 26:23)
International Standard Bible Encyclopedia
pot'-shurd (cheres): A piece of earthenware (Job 2:8; Ps 22:15; Isa 45:9). the Revised Version (British and American) renders the word in Pr 26:23, "an earthen vessel," and in Job 41:30 substitutes "sharp potsherds" for "sharp stones." Sirach 22:7 refers to the art of "gluing a potsherd (ostrakon) together."