/ˈhɑ:nɪs ||; ˈhɑrnɪs/verb[T] 1 harness sth (to sth) to put a harness on a horse, etc or to tie a horse, etc to sth using a harness 给(马等)套上挽具;将(马等)系于某物: Two ponies were harnessed to the cart. 两匹小马被套到马车上。
2 to control the energy of sth in order to produce power or to achieve sth 利用某事物的能量来发电或实现某种目的: to harness the sun's rays as a source of energy 用阳光作能源