[trans.fuse] vt trans.fused ; trans.fus.ing [ME, fr. L transfusus, pp. of transfundere, fr. trans- + fundere to pour--more at found] (15c) 1 a: to cause to pass from one to another: transmit b: to diffuse into or through: permeate "sunlight ~s the bay"
2. a: to transfer (as blood) into a vein of a person or animal b: to subject (a patient) to transfusion -- trans.fus.ible or trans.fus.able adj