Dictionary Definition :
Definition[1]
:
(or 致) The two honored ones (Śākyamuni and Amitābha) as one in teaching.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(術語)觀無量壽經流通分之說相。於正宗分釋迦開要門,彌陀彰弘願,二尊所教,各自異別。至流通分,釋迦上來說要門之定散二善,以弘願之念佛,附屬阿難,故釋迦之發遣與彌陀之招喚全然一致,二尊所教,同為念佛之一道。
Source
:
丁福保《佛學大辭典》