Dictionary Definition :
Definition[1]
:
Chanting of 梵唄 Buddhist hymns is divided into three kinds 初, 中, and 後.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(儀式)法會舉梵唄之偈,有初中後三節。其中節曰中唄。
Source
:
丁福保《佛學大辭典》