WordNet (r) 3.0 (2006):

blood bank
    n 1: a place for storing whole blood or blood plasma; "the Red
         Cross created a blood bank for emergencies"

Moby Thesaurus II by Grady Ward, 1.0:

92 Moby Thesaurus words for "blood bank":
   Rh factor, Rh-negative, Rh-positive, Rh-type, Rhesus factor, X ray,
   antibody, antigen, arterial blood, arterial transfusion, blood,
   blood cell, blood count, blood donor, blood donor center,
   blood group, blood grouping, blood picture, blood platelet,
   blood pressure, blood serum, blood substitute, blood transfusion,
   bloodmobile, bloodstream, charity ward, circulation, clinic,
   clinical dextran, consultation room, delivery room, dextran,
   direct transfusion, dispensary, drip transfusion, emergency,
   erythrocyte, examining room, exchange transfusion,
   exsanguination transfusion, exsanguino transfusion, fever ward,
   globulin, gore, grume, hematics, hematologist, hematology,
   hematoscope, hematoscopy, hemocyte, hemoglobin, hemometer,
   hospital room, humor, ichor, intensive care, isoantibody,
   isolation, labor room, laboratory, leukocyte, lifeblood,
   maternity ward, neutrophil, nursery, operating room, opsonin,
   perfusion, phagocyte, pharmacy, plasma, plasma substitute,
   plasma transfusion, prison ward, private room,
   reciprocal transfusion, recovery room, red corpuscle,
   replacement transfusion, semi-private room, serum,
   serum transfusion, surgery, therapy, transfusion, treatment room,
   type O, venous blood, venous transfusion, ward, white corpuscle