a paper tube or roll, almost flattened, having one side glued to the back of a book and the other to the inside of the spine.
11 Back To School Quotes To Kick-Start The YearYou learn so much more than just facts and figures in school. These quotes show the importance of education outside of studying and tests.
Related formshol·low-backed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for hollow back
[ hŏl′ō ]
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.