quadcopter

or quad·ri·cop·ter

[kwod-kop-ter or kwod-ri-kop-ter]

noun

a rotorcraft with four arms, each with a propeller, one pair of which spins clockwise while the other spins counterclockwise, enabling the craft to hover and maintain stability: For aerial photography in mountainous regions, our drones of choice are small battery-powered quadcopters.

Origin of quadcopter

First recorded in 1920–25 (in the sense “manned rotocraft”); quad(ri-) + copter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019