- To put into or introduce as if by pouring: infused new vigor into the movement.
- To fill or cause to be filled with something: infused them with a love of the land.
- To steep or soak without boiling in order to extract soluble elements or active principles.
- To flavor or scent (a liquid) by steeping ingredients in it: "He would infuse . . . vegetable oil with the pungent taste of scallions" (Nina Simonds).
- To introduce (a solution) into the body through a vein for therapeutic purposes.
[Middle English infusen, from Old French infuser, from Latin īnfundere, īnfūs- : in-, in; see in-2 + fundere, to pour.]
infuser in·fus'er n.




