noun
Common word for freckles; the medical terms 'lentigo' and 'ephelis' are less frequent.
彼女は鼻の周りにそばかすがある。
She has freckles around her nose.
夏になるとそばかすが濃くなる。
My freckles become darker in the summer.
noun
buckwheat chaff
Only when written 蕎麦滓
Archaic original meaning, restricted to the kanji form 蕎麦滓; now replaced by 蕎麦殻 (そばがら).
See also: 蕎麦殻
古語では「蕎麦滓」と書いてそばかすと読んだが、今は蕎麦殻と言う。
In old language, 蕎麦滓 was read as そばかす, but now it is called そばがら.
Archaic kanji form for the original meaning 'buckwheat chaff'.
Derived from そば (buckwheat) + かす (dregs, chaff), originally meaning buckwheat chaff. The freckle sense arose from the resemblance of freckles to scattered buckwheat husks.