noun

  1. one sun (approx. 3.03 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)