barrage balloon

English Thesaurus

1. an elongated tethered balloon or blimp with cables or net suspended from it to deter enemy planes that are flying low (noun.artifact)

hypernym	:	airship, dirigible,
definition	:	a steerable self-propelled aircraft (noun.artifact)

hyponym	:	kite balloon,
definition	:	a barrage balloon with lobes at one end that keep it headed into the wind (noun.artifact)