BACK

(SUPPORT) [verb] [T] - to give support to (someone or something) with money or wordsThe management has refused to back our proposals for change.The horse I backed (= risked money on so that I could win more money if it won a race) came in last.(figurative) In all his years as a book publisher, he rarely backed the wrong horse (= supported someone or something or an action that was unsuccessful).He backed (up) (= supported) his claim with a sheaf of documents. [T or M]Will you back me up (= say that I am telling the truth) if I say that I never saw him? [M](specialized) To back up computer information, or to back computer information up is to make an extra copy of it which you keep separately from your computer.See also backup.