#1 cushion v. [buffer, soften] protect from impact; "cushion the blow". wn
#2 cushion n. [shock absorber, shock] a mechanical damper; absorbs energy of sudden impulses; "the old car needed a new set of shocks". wn
#3 cushion n. the layer of air that supports a hovercraft or similar vehicle. wn
#4 cushion n. a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.. wn
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