Hello Paul.
The book only has the one picture. I enhanced the image the best I could.
Can't read it myself, but maybe someone else can.
Did some more digging in my books and found one description that also said "Originally the form may have been intended as a serving knife or a presentoire".
So Doos, your idea of something to to pass things along on the table might have been correct at some time.
Sorry I didn't see that earlier.
My books call it a "Voiding Knife". The dish it was used with was called a "Voider" (or Voyder).
The voiding knife was used to clear a table into the voider after a meal.
The collected meat leftovers were largely for charitable contributions.
These items originated in the medieval period.
The voiding knife pictured above is a 17th century replacement of an earlier example.
It belongs to the Drapers' Company located in London England.
Pat.
.