sailplane

1. Aviation sports activities, including paragliding and model sailplane soaring, are becoming more popular in Hong Kong in recent years.
   飞行运动如滑翔降伞和模型滑翔机近年在香港逐渐流行。

noun

1. aircraft supported only by the dynamic action of air against its surfaces

   Synonym:    glider

verb

1. fly a plane without an engine

   Synonym:    soar