noun
the 'ra' column of the Japanese syllabary table (ra, ri, ru, re, ro)
Refers to the set of kana beginning with the consonant 'r': ら, り, る, れ, ろ (and their dakuten variants if applicable). Used in discussions of phonology, spelling, and verb conjugation.
ら行の音は、日本語の動詞の活用でよく出てきます。
Sounds from the 'ra' column often appear in Japanese verb conjugations.
五十音図で、ら行は9番目の行です。
In the gojūon chart, the 'ra' column is the ninth row.
Compound of ら (the first kana of the row) and 行 (row/line). The kanji 良 is an ateji for ら.