grey head; head with grey hair
Refers to a head of hair that has turned grey or white, typically with age. Often used in literary or descriptive contexts.
My grandfather is still energetic even though his hair has turned grey.
bald eagle
Standard kanji spelling for 'grey/white head'.
Compound of 白 (white) and 頭 (head). The reading はくとう is the on'yomi of both characters.