bushhammer

from The Century Dictionary.

• To break or dress (stones) by means of a bush-hammer.

from the GNU version of the Collaborative International Dictionary of English.

• noun A hammer with a head formed of a bundle of square bars, with pyramidal points, arranged in rows, or a solid head with a face cut into a number of rows of such points; -- used for dressing stone.
• transitive verb To dress with bushhammer.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To dress with bush hammer.