#1 supplement v. add as a supplement to what seems insufficient; "supplement your diet". wn
#2 supplement n. [addendum, postscript] textual matter that is added onto a publication; usually at the end. wn
#3 supplement n. [supplementation] a quantity added (e.g. to make up for a deficiency). wn
#4 supplement n. [accessory, appurtenance, add-on] a supplementary component that improves capability. wn
#5 supplement v. serve as a supplement to; "Vitamins supplemented his meager diet". wn
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