stoneblower

English

Etymology

From stone +‎ blower.

Noun

stoneblower (plural stoneblowers)

  1. (rail transport) A machine that automatically lifts and packs the sleepers of a railway with small-grade ballast, which is blown under the sleepers to level the track.
    • 2021 April 21, Stefanie Foster, “Network Rail pledges major contribution to Rail Live 2021”, in RAIL, number 929, page 19:
      NR also plans to display a stoneblower from its track treatment fleet at the show. [...] They are known as stoneblowers because they use compressed air to 'blow' extra stones under the sleepers where required, to correct the level of the track.
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