Trying to imagine the angle of the wedge!  Was it a heavy-jawed man with a pointed head, or one with a wide forehead and a pointed chin, or something all together more surprising?

And always intrigued by people who can engage in abstract language at dizzy levels of conjecture; not one of my strengths.

‘On occasion he would visit that wedge-headed man and find in the abstract language with which they communicated their dizzy stratas of conjecture a temporary stir of interest.’  

Source: Mervyn Peake, Titus Groan, introduction by Anthony Burgess (London: Vintage Books, 1998), p. 189