Black's Law Dictionary (2nd edition)dictionaries

Infusion

In medical jurisprudence. The process of steeping in llqnor; an opera-tion by which the medicinal qualities of a substance may be extracted by a liquor with-out boiling. Also the product of this opera-tion. “Infusion” and “decoction,” though not identical, are ejusdem generis In law. 3 Camp. 74. See Decoction

Source: Black’s Law Dictionary 2nd Ed (1910)