1) Unit of length 
The shaftment is a unit of length, 6 - 6½ inches or 2 palms, i.e. 15.24 cm. A shaftment is the width of the fist and outstretched thumb. The lengths of poles, staves, etc. can be easily measured by grasping the bottom of the staff with thumb extended and repeating such hand over hand grips along the length of the staff. == History == It occurs in...
• (n.) A measure of about six inches.
Lengths: 6 inches. 6.5 inches until 12th Century.
The part of an arrow at which the feathers will be pasted.