spurling-line

from The Collaborative International Dictionary of English v.0.48

Spurling-line \Spur"ling-line`\ (-l[imac]n`), n. [Cf. Prov. E.
   spurling the rut of a wheel, a cart rut, AS. spor a track,
   trace, E. spoor, Scot. spurl to sprawl.] (Naut.)
   The line which forms the communication between the steering
   wheel and the telltale.
   [1913 Webster]