cryobank noun 1verb 1forms 3 noun1 •A biobank where cryogenically preserved material is stored.In the early 1970s, the first cryobanks, largely run by men, opened in the United States, offering frozen sperm from anonymous donors (often college students), mostly to infertile couples. — 2019 verb1 •To store in such a biobank. formscryobanked · cryobanking · cryobanks