chainman

From chain +‎ -man.

chainman (plural chainmen)

1. (surveying) One who uses a chain or measuring tape.
   • 2023, Richard Flanagan, Question 7, Knopf, page 8:

     It was the chainman's job to drag the twenty-two-yard chain with its hundred links with which the world was measured.

• rodman

• Chinaman, chinaman