ossulum Save DMLBS ossulum [LL] , small bone. c1130 cujuslibet ~i sui lavaturum (Reliq. S. Audoeni) Anal. Boll. LI 289; os, ossis ‥ inde ‥ hoc ~um ‥ i. parvum os Osb. Glouc. Deriv. 388.