[f. FOUNDER v.]
† 1. pl. Grounds, lees, sediment. Cf. F. fondrilles. Obs.
c. 1450. M. E. Med. Bk. (Heinrich), 176. Do awey þe foundres [v.r. groundes] vnderneþe.
2. The action of the verb FOUNDER; a landslip.
1882. Cornh. Mag., XLVI. Dec., 738. A series of founders or landslips, caused by the undermining of the solid strata, has tossed about the superincumbent rocks into a tangled undercliff of rugged fragments.