Dictionary Definition :
Definition[1]
:
A hair's tip; the smallest division (of space or time).
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(術語)極少之稱。楞嚴經二曰:「不動道場,於一毛端,遍能含受十萬國土。」
Source
:
丁福保《佛學大辭典》