BASILYSIS

An Illustrated Encyclopaedic Medical Dictionary · 1891 · p. 3

(Lat.), n. f. Ba?s(ba%s)-121’i2s(u®s)-i2s, Gen. basil- s'eos (-yl'is is), From Baars, a base, and Avews (from Avew), a breaktf up Yato pieces, The operation of breaking or cutting up the bones forming the base of the foetal skull as a final step in craniotomy (q. v.).