About: rotary-wing aircraft

Premodifier: rotary-wing
Head noun: aircraft

Same concepts
http://dbpedia.org/resource/Rotorcraft

Broader concepts

label	provenance	confidence
platform	isap:58408178	0.658969

Narrower concepts

label	provenance	confidence
helicopter	isap:284535350	0.352641
apparatus	isap:412820749	0.227867