v. rare. [f. ppl. stem of L. transforāre to bore or pierce through, f. TRANS- + forāre to bore, pierce.] trans. To pierce or bore through, perforate; spec. (Surg.) to perforate (the skull) in craniotomy.
1727. Bailey, vol. II., Transforate, to make a hole through.
1775. Ash, Transforated, Transforating … (not much used).
