The sinciput has a weak plane inclined towards the occiput.

Absence of the colored "cap" on the sinciput.

The colored "cap" slightly "slips" from the sinciput.

The sinciput is weakly pronounced.

In Terminologia Anatomica, "sinciput" is given as the Latin equivalent to "forehead".

A bump arose at once on my sinciput, and turned out to be as pretty an organ of order as one shall see on a summer's day.

The upper head scales are unequal and smooth or obtusely keeled, the scales being larger on the sinciput (brow) than on the occiput.

"And had I made the observation sooner," continued the magistrate, "I might have spared myself a good deal of trouble and a headache which extends from my occiput to my sinciput."

However, the consequence of this folly was, that in two or three days, I had to be sent home to my button-headed family in a high state of fever, and with a most violent and dangerous pain in the sinciput, all around about my organ of order.