n. 前顶

[医] 前顶, 前头

[ noun ]
the front part of the head or skull (including the forehead)
<noun.body>

Sinciput \Sin"ci*put\, n. [L., half a head; semihalf + caput the
head.]
1. (Anat.) The fore part of the head.

2. (Zo["o]l.) The part of the head of a bird between the base
of the bill and the vertex.