ロ

noun

second in iroha order; b; ii

Used in the traditional iroha ordering system (like a, i, u, e, o but for Japanese syllables). ロ is the second character, equivalent to 'b' or 'ii' in Western sequences. Often seen in lists, classifications, or old-fashioned indexing.

See also: いろは順

• この書しょ類るいはロの項こう目もくに分ぶん類るいされている。

  This document is classified under item 'ro' (the second category).

• いろは順じゅんで、イの次つぎはロです。

  In the iroha order, 'ro' comes after 'i'.

noun

B (musical note)

In music, ロ is used mainly in key names to denote the note B (equivalent to 'ti' in solfège). Common in Japanese musical contexts, such as ロ長調 (B major) or ロ短調 (B minor).

• この曲きょくはロ短たん調ちょうで書かかれている。

  This piece is written in B minor.

• ピアノでロの音おとを弾ひいてください。

  Please play the note B on the piano.