stonebreaker

== English == === Alternative forms === stone breaker stone-breaker === Etymology === From stone +‎ breaker. === Noun === stonebreaker (plural stonebreakers) A labourer who breaks stone. A machine for crushing or hammering stone. === References === Edward H[enry] Knight (1877), “Stonebreaker”, in Knight’s American Mechanical Dictionary. […], volumes III (REA–ZYM), New York, N.Y.: Hurd and Houghton […], →OCLC. “'stonebreaker' apparently mistranscribed”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.