Dictionary Definition :
Definition[1]
:
The 60 rolls: the Tiantai 三大部, or three collections of fundamental texts of that school.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(雜語)法華玄義十卷,釋法華之大意,文句十卷,正釋經文,摩訶止觀十卷,明修行之方規,已上三十卷,乃天台大師說,章安大師筆受。又釋籤十卷,釋法華玄義,疏記十卷,釋文句,輔行傳弘決十卷,釋摩訶止觀,已上三十卷,乃荊溪大師湛然述。本末合成六十卷,稱之謂天台之三大部。
Source
:
丁福保《佛學大辭典》