noun

  1. one sun (approx. 3 cm).

noun, adverb

  1. little bit (of time, distance, etc.).

Variations

Pronunciation Kanji Kana Is Common
一寸 いっすん

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
measurement, tenth of a shaku, a little
スン す みき (6th, N1)