[-ING2.] That crumbles; breaking into small particles.
1577. B. Googe, Heresbach’s Husb., II. (1586), 86 b. [That the ground] may be mellowed and made crumbling.
1697. Dryden, Virg. Georg., I. 139. The crumbling Clods.
1769. Gray, Jrnl. of Tour, 5 Oct. A mass of crumbling slate.
1861. Hughes, Tom Brown at Oxf., i. (1889), 6. A venerable old front of crumbling stone fronting the street.
