Definition of earthworks:
(N) :
a 1965 dystopian science fiction novel by British science fiction author Brian Aldiss.
(N) :
engineering works created through the processing of parts of the earth's surface involving quantities of soil or unformed rock.
(N) :
Bill Bruford's Earthworks were a British jazz band led by drummer Bill Bruford.
(N) :
In archaeology, earthworks are artificial changes in land level, typically made from piles of artificially placed or sculpted rocks and soil.
(N) :
the first album by Bill Bruford's Earthworks, a jazz fusion band led by drummer Bill Bruford with keyboardist and trumpeter Django Bates, saxophonist Iain Ballamy, and acoustic bassist Mick Hutton.