knulling

[ nuhl-ing ]
/ ˈnʌl ɪŋ /

noun Architecture.

a convex molding having a series of members separated by indentations, as a bead and reel.

Origin of knulling

First recorded in 1935–45; variant of knurling
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019