Senses
前头/ 前頭 in front
In front; at the head; ahead; above. Used to describe the part of a space or position that is at the forward end.
前头/ 前頭 before
Earlier in time or order; previously. Referring to a prior point in time or a preceding stage in a sequence.
前头/ 前頭 synciput
The front part of the head; the sinciput