grey moustache; gray mustache
Specifically refers to a grey or white moustache, often associated with age.
My grandfather sports a fine grey moustache.
white beard
Refers to a white or grey beard, typically full facial hair rather than just a moustache.
Santa Claus has a long white beard.
Standard kanji spelling for 'white/grey beard/moustache'.
Mixed kanji-kana spelling; sometimes used for readability or in informal contexts.
Variant kanji form using 鬚; less common than 髭.
Compound of 白 (しろ, 'white') + 髭 (ひげ, 'beard/moustache'). The reading しろひげ is a straightforward kun'yomi combination.