noun. ['ˈfaɪɝˌbɑːm, ˈfaɪrˌbɑːm'] a bomb that is designed to start fires; is most effective against flammable targets (such as fuel).
verb. ['ˈfaɪɝˌbɑːm, ˈfaɪrˌbɑːm'] attack with incendiary bombs.