Obs. rare. [OE. clacu:OTeut. type *klakâ-; occurring also in clacléas, clæcléas (Wr.-Wülcker 419) immunis, ON. klaklaust scatheless, unhurt.] Hurt, injury, scathe.
c. 1000. Wulfstan, Hom., xiii. (18) Nap. 86. Eal scal aspringan wide and side sacu and clacu, hol and hete.
c. 1200. Ormin, 9317. Ȝiff þalt ȝe wel ȝuw lokenn Fra clake, and sake. Ibid., 10201.