HCK Views 6 meanings found HCK spans both sports and science, identifying a karate school, a hardware certification kit, and a family of cell‑signaling kinases involved in blood cell development, as well as niche apparel brands. Medical Hemopoietic Cell Kinase Tyrosine-protein kinase Miscellaneous Howard Combat Kimonos Hemopoetic Cell Kinase Business Hardware Certification Kit Sports Hill Country Karate