exarate

from The Collaborative International Dictionary of English v.0.48

Exarate \Ex"a*rate\, v. t. [L. exaratus, p. p. of exarare to
   plow up, to write; ex out + arare to plow.]
   To plow up; also, to engrave; to write. [Obs.] --Blount.
   [1913 Webster]