Bone Saw

The Bone Saw is one of the Star Signs of the Old World. It is the Sign of Skill and Learning, appearing as a knife, and is in Ascendance during Winter. People born under it are known to be curious, philosophical, and skilled.

Overview
The Bonesaw is revered by astrologers and scholars alike as a symbol of the knowledge man has gained over the centuries. Characters born under this sign are inquisitive and always have a thirst for knowledge and learning about the world around them. They love to share this knowledge with everyone they know, sometimes to the point of being annoying and overbearing.

Source

 * Warhammer Fantasy RPG 2nd ED -- WFRP Companion pg. 52