a system of fan vaults.
Baseball Slang True Fans Should KnowThe game dates back a long way (the first pro team started in 1869—the Cincinnati Reds) so there’s a long history here.
Origin of fan vaulting
First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for fan vaulting
The roof shows the first piece of fan-vaulting admitted into the cathedral.The Cathedral Church of Canterbury [2nd ed.].|Hartley Withers
British Dictionary definitions for fan vaulting
architect vaulting having ribs that radiate like those of a fan and spring from the top of a capital or corbelAlso called: palm vaulting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012