Dictionary Definition :
Definition[1]
:
The nine graha, i.e. "seizers" or upholders, i.e. luminaries or planets, idem 九曜.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(名數)與九曜同。執者執持之義,隨逐諸曜日時而不相離也。大日經疏四曰:「九執者,梵音[金*(託-言)]栗何Graha,是執持義。」
Source
:
丁福保《佛學大辭典》