drill rig

English

Alternative forms

Noun

drill rig (plural drill rigs)

  1. Used other than with a figurative or idiomatic meaning: see drill,‎ rig.
    • (Can we date this quote?), Iqtidar H. Siddiquiyear=1979, Irrigation canals: planning, design, construction, and maintenance:
      In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig.
    • 2001, William A. Hustrulid, Richard L. Bullock, Underground Mining Methods, page 224:
  2. An oil rig.
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