bōkū
1. air defense; air defence
★ Common
Noun
#30076
1. air defense; air defence
1. Anti-air; Air defense
1. Defense against air raids; Air defense
1. Air defense.; Is air defense.
1. Was air defense; Was defending against air attacks
1. Was air defense.
1. If/when air defense exists; If/when there is air defense
1. Probably air defense.; Likely an air raid drill.
1. Was not air defense.; Was not an air raid drill.
1. Was not air defense.; Was not an air defense.