Perhaps the name is dutch in origin?  Twee (pronounced tva) means "two" in
dutch.  that would mean two bills (as in duck bills, which is what the
blades sort of look like.
Michael
-----Original Message-----
From: Henry Roeters <[log in to unmask]>
To: [log in to unmask]
<[log in to unmask]>
Date: Friday, October 23, 1998 11:40 PM
Subject: Re: I just have to ask...


>A twibill is a double bit adz/axe, i.e., one blade is at a 90* to the
handle,
>the other is at 0*/180*.  This configuration allows ease of use when
cutting
>out the mortices it was intended, as the operator needn't move to cut out
>"horizontal" and "vertical" lines.  Twy-bil, Twibble, Twibill, they are all
>the same.  Eric Sloans' books are a good resource for old tool usage.
>I am the proud possesor of 3 twibills...
>Henry Roeters