#1 backing n. [backup, championship, patronage] the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives". wn
#2 backing n. [mount] something forming a back that is added for strengthening. wn
#3 backing n. [support, financial support, funding, financial backing] financial resources provided to make some project possible; "the foundation provided support for the experiment". wn
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