strapwork

or strap-work

[ strap-wurk ]
/ ˈstræpˌwɜrk /

noun Architecture.

a type of ornamentation imitating pierced and interlaced straps or bands, usually forming a geometric pattern.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for strap work

strap work


noun

architect decorative work resembling interlacing straps
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