名詞 processional:

1. religious music used in a procession
   同義詞：prosodion

形容詞 processional:

1. intended for use in a procession
2. of or relating to or characteristic of a procession

pro.ces.sion.al

adj.（形容詞）
Of, relating to, or suitable for a procession.
行列的：行列的、有關(guān)行列的或適于行列的
n.（名詞）
A book containing the rituals observed during a religious procession.
游行圣歌，列隊行進禮儀書：記載教徒列隊行進中各種儀式的書
Music
【音樂】
A piece played or sung when the clergy enter a church at the beginning of a service.
圣歌，贊美詩：尤指教士在禮拜之前進入教堂時演奏的樂曲或演唱的圣歌
Music intended to be played or sung during a procession.
列隊行進音樂：列隊行進中演奏的樂曲或演唱的歌曲

【引伸】
proces.sionally
adv.（副詞）