Source : Webster's Revised Unabridged Dictionary (1913)

Milliampere \Mil`li*am`p[`e]re"\, n. [Milli- + amp[`e]re.]
   (Elec.)
   The thousandth part of one amp[`e]re.

Source : WordNet®

milliampere
     n : one thousandth of an ampere [syn: {mA}]