A roller was an old term for a broad bandage used in surgery. In Ezekiel 30:21 the word refers to a bandage rather than a rolling object.
Definition
A roller was an older surgical term for a broad bandage. In the King James and English Revised Versions it appears in Ezekiel 30:21, but the underlying word means “bandage,” as in the American Standard Revised Version.
Biblical Usage
The word occurs in Ezekiel 30:21 in a passage referring to a bandage.
Historical Background
“Roller” was formerly a technical term in surgery for a wide bandage.
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>rol'-er: the King James Version and the English Revised Version in Eze 30:21 for chittul, "bandage" (so the American Standard Revised Version). "Roller" was formerly a technical term in surgery for a wide bandage.</p>