spearthrower

noun2

1. •
   A hand-held tool used as a lever to increase the throwing distance and penetrating force of a spear or dart, an atlatl; a woomera.

   • The broad spearthrowers and the long spearthrowers, depicted in ‘early’ and ‘late’ styles respectively, can likewise be related to Cundy′s analysis. — 1988
2. •
   The separate handle of an atlatl.