a turntable is a form of:

Turntable



noun
1.
(1. a. The circular horizontal rotating platform of a phonograph on which the record is placed. b. A phonograph exclusive of amplifying circuitry and speakers. 2. A circular horizontal rotating platform equipped with a railway track, used for turning locomotives, as in a roundhouse. 3. A rotating platform or disk, such as a lazy Susan) streetcar turntable គ្រឿងសម្រាប់បង្វិលអោយបត់ទៅក្រោយវិញ, phonograph turntable ម៉ាស៊ីនចាក់ថាស
2.
(FRENCH) ពិកគុប
ENGLISH MEANING
noun
1.
A large revolving platform, for turning railroad cars, locomotives, etc., in a different direction; -- called also turnplate.