Su`per*charge" (?), v. t. [imp. & p. p. Supercharged (?); p. pr. & vb. n. Supercharging (?).] [Pref. super- + charge. Cf. Surcharge.] (Her.) To charge (a bearing) upon another bearing; as, to supercharge a rose upon a fess.

Su`per*charge" (?), n. (Her.) A bearing charged upon another bearing. [R.]

Su`per*charge" (?), v. t. [imp. & p. p. Supercharged (?); p. pr. & vb. n. Supercharging (?).] [Pref. super- + charge. Cf. Surcharge.] (Her.) To charge (a bearing) upon another bearing; as, to supercharge a rose upon a fess.

Su`per*charge" (?), n. (Her.) A bearing charged upon another bearing. [R.]

• to increase the power of an internal combustion engine (either Otto or Diesel cycle) by compressing the inlet air with power extracted from the crankshaft.
  
• to make faster, more powerful.