pulsator noun. [pʌl'seɪtǝ] M17.
[from (the same root as) PULSATE + -OR.]
1. A person who or thing which knocks or strikes. rare. M17.

2. A machine which works with a vibratory or pulsating motion; spec. a device on a milking machine which releases the suction on the teat intermittently so as to simulate the sucking action of a calf. L19.

[TahlilGaran] English Dictionary ▲