Synonym: chopper, eggbeater, whirlybird. Similar words: chapter, to the life, and the like, derelict, delicate, to the limit, shelter, icon. Meaning: ['helɪkɑptə(r) /-kɒp-] 
n. an aircraft without wings that obtains its lift from the rotation of overhead blades.
n. an aircraft without wings that obtains its lift from the rotation of overhead blades. 
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181. Special shape fiber winding to screw propeller hub splint of helicopter was analyzed.
182. The single rotor helicopter with tail rotortype to become now the most common body - type helicopter.
183. The shipboard effect of helicopter has adverse effect on the flight safety.
184. The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.
185. A method is presented for unmanned helicopter flight dynamics model identification.