noun
war bond; war loan
Government-issued debt securities to finance military operations during wartime.
戦時公債は戦費調達のために発行された。
War bonds were issued to raise funds for the war effort.
国債 is a general term for government bonds, while 戦時公債 specifically refers to bonds issued during wartime.
Compound of 戦時 (wartime) and 公債 (public bond).