| Definition/Meaning | Word/Phrase |
|---|---|
| automatic double-barreled antiaircraft gun | Bofors gun |
| movable artillery (other than antiaircraft) used by armies in the field (especially for direct support of front-line troops) | field artillery , field gun |
| computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival | predictor |