vaulting boss

vaulting boss

A boss, 1 set at intervals in a ribbed vault, at a junction between the ribs.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
There are also vaulting bosses from the chapter house and cloister including a remarkable image of Christ as a spiritual Sampson rending the lion's jaw.