noun
gliding; gliding through the air
Refers to the act of moving smoothly through the air without engine power, as in a glider or a bird soaring.
グライダーが空中滑走を始めた。
The glider began gliding through the air.
Compound of 空中 (kūchū, 'in the air') and 滑走 (kassō, 'gliding, sliding').