accidental bombing; erroneous dropping
Refers to the accidental or mistaken dropping of bombs or other payloads from aircraft. Often used in military or news contexts.
There was damage in that area due to an accidental bombing in the past.
A safety device was developed to prevent accidental drops.
Compound of 誤 (go, 'mistake') + 投下 (tōka, 'dropping, investment'). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning of mistaken dropping.