noun, plural hi·ba·ku·shas, hi·ba·ku·sha. a survivor of either of the atomic bomb attacks on Hiroshima and Nagasaki, Japan, in 1945.
Origin:
< Japanese, equivalent to hibaku bombed (hi- suffer + baku- burst open, explode < Middle Chinese, equivalent to Chinese bèi bào) + -sha person < Middle Chinese, equivalent to Chinese chě