Definition of 回転翼 (かいてんよく)
かいてんよく
                        回転翼
かいてんよく
kaiten-yoku
noun
•
        
rotary wing (aircraft), rotor
See also:固定翼 (こていよく)
Related Kanji
| 回 | -times, round, game, revolve, counter for occurrences | 
| 転 | revolve, turn around, change | 
| 翼 | wing, plane, flank |