n. 1 a rotary part of a machine, esp. in the distributor of an internal-combustion engine. 2 a set of radiating aerofoils round a hub on a helicopter, providing lift when rotated.
[ irreg. for ROTATOR ]
n. 1 a rotary part of a machine, esp. in the distributor of an internal-combustion engine. 2 a set of radiating aerofoils round a hub on a helicopter, providing lift when rotated.
[ irreg. for ROTATOR ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012