noun
Refers to the bony structure of the head. Less common in everyday conversation than 頭蓋骨 (ずがいこつ), but used in medical or anatomical contexts.
人頭の構造を模型で学ぶ。
Learn the structure of the skull using a model.
noun
kanji "person" radical at top
Refers to the kanji radical ⺅ (人) when it appears at the top of a character, as in 今 or 令. Used in discussions of kanji composition.
See also: 人屋根
「今」の上の部分は人頭と呼ばれる。
The top part of '今' is called 人頭 (the 'person' radical at top).