noun, takes genitive case の

  1. number one, first, first place.

adverb

  1. best, most.

noun

  1. game, round, bout.

adverb

  1. as a test, as an experiment, by way of experiment, by way of trial, tentatively.

noun

  1. song (e.g. in noh), piece.

Variations

Pronunciation Kanji Kana Is Common
一番 いちばん
1番 いちばん

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
turn, number in a series
バン つが.い は (2nd, N3)
separate, divide, topped rice radical (no. 165)
ハン ベン サイ (Kentei 1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
rice, USA, metre
ベイ こめ マイ (2nd, N3)
to divide
tree, wood
き モク こ- (1st, N5)
rice field, rice paddy
た デン たん (1st, N4)