The Collaborative International Dictionary of English v.0.48:

Spillet fishing \Spil"let fish`ing\, Spilliard fishing
\Spil"liard fish`ing\,
   A system or method of fishing by means of a number of hooks
   set on snoods all on one line; -- in North America, called
   trawl fishing, bultow, or bultow fishing, and
   long-line fishing.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bultow \Bul"tow`\, n.
   A trawl; a boulter; the mode of fishing with a boulter or
   spiller.
   [1913 Webster]