Source : Webster's Revised Unabridged Dictionary (1913)

Hectogram \Hec"to*gram\, n. [F. hectogramme, fr. Gr. ? hundred +
   F. gramme a gram.]
   A measure of weight, containing a hundred grams, or about
   3.527 ounces avoirdupois.

Source : WordNet®

hectogram
     n : 100 grams [syn: {hg}]