Look up: preventer

1. Preventer
   a control line from the boom to the toerail used to prevent unexpected gybes
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
2. Preventer
   Pre·vent'er noun 1. One who goes before; one who forestalls or anticipates another. [ Obsolete] Bacon. 2. One who prevents or obstructs; a hinderer; that which hinders; as, a preventer of evils or of disease. 3. ...
   Found on http://www.encyclo.co.uk/webster/P/159
   
   
3. preventer
   1. One who goes before; one who forestalls or anticipates another. ... 2. One who prevents or obstructs; a hinderer; that which hinders; as, a preventer of evils or of disease. ... 3. An auxiliary rope to strengthen a mast. Preventer bolts, or Preventer plates. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. Preventer
   • (n.) An auxiliary rope to strengthen a mast. • (n.) One who prevents or obstructs; a hinderer; that which hinders; as, a preventer of evils or of disease. • (n.) One who goes before; one who forestalls or anticipates another.
   Found on http://thinkexist.com/dictionary/meaning
   
   
5. preventer
   A line set up to hold the boom in position and prevent an accidental jibe.
   Found on http://www.diy-wood-boat.com/Boating-ter
   
   
6. Preventer
   A `preventer`, or `jibe-guard`, is a mechanical device on a sailing vessel which limits the boom`s ability to swing unexpectedly across the boat due to an unplanned accidental jibe. During an unplanned accidental jibe (or gybe), neither the crew nor the boat is set up properly to execute a pl...
   Found on http://en.wikipedia.org/wiki/Preventer