1. brought under control and put to use; - Example: "electricity from the harnessed Colorado River" - Example: "the harnessed power of the atom"
The Collaborative International Dictionary of English v.0.48:
Harness \Har"ness\, v. t. [imp. & p. p. Harnessed (-n[e^]st);
p. pr. & vb. n. Harnessing.] [OE. harneisen; cf. F.
harnacher, OF. harneschier.]
1. To dress in armor; to equip with armor for war, as a
horseman; to array.
Harnessed in rugged steel. --Rowe.
A gay dagger,
Harnessed well and sharp as point of spear.
2. Fig.: To equip or furnish for defense. --Dr. H. More.
3. To make ready for draught; to equip with harness, as a
horse. Also used figuratively.
Harnessed to some regular profession. --J. C.
Harnessed antelope. (Zool.) See Guib.
Harnessed moth (Zool.), an American bombycid moth (Arctia
phalerata of Harris), having, on the fore wings, stripes
and bands of buff on a black ground.
WordNet (r) 3.0 (2006):
adj 1: brought under control and put to use; "electricity from
the harnessed Colorado River"; "the harnessed power of