cusping, n. Arch.
(ˈkʌspɪŋ)
[f. cusp + -ing: cf. coving, roofing, etc.]
A formation consisting of cusps; cusp-work.
| 1860 G. E. Street in Archæol. Cant. III. 124 The cusping was let into a groove. 1870 F. R. Wilson Ch. Lindisf. 101 It has five lights, the cuspings of which..are early. |