A haircut; the act of having one's hair cut (often expressed as 散髪する, to get a haircut).
週末に散髪に行ってさっぱりしてきた。
I went for a haircut on the weekend and feel refreshed.
彼はいつも散髪をきちんとするので清潔に見える。
He always gets haircuts properly, so he looks neat.
夏になったので散髪して短くした。
Since it's summer, I had a haircut and made it short.
An older or less common sense referring to messy or unkempt hair — a disordered state of one's hair.
長旅のあとで彼の髪は散髪のように乱れていた。
After the long trip, his hair was messy as if unkempt.
寝坊して散髪のまま会社に来てしまった。
I overslept and came to work with my hair all messy.