noun, noun or participle which takes 'suru', transitive verb, intransitive verb
songwriting; lyric writing
Refers specifically to writing lyrics for a song, as opposed to composing the music (作曲). Can be used as a noun or as a suru-verb.
彼は多くのヒット曲の作詞を手がけた。
He wrote the lyrics for many hit songs.
この曲は友達が作詞したもの
A friend wrote the lyrics for this song.