waea parūnu
1. (loan) (noun) barrage balloon - a large anchored balloon, often with netting suspended from it, used as a defence against low-flying aircraft.
Ka rere mai ō rātau waka rererangi whawhai, ka kōmutumutu haere i waenganui o ngā waea parūnu, ka tuku i ā rātau pōmu (HP 1991:123). / Their fighter planes flew towards us, to intercept us between the barrage balloons and let go their bombs.