pulsating
v. B2 Upper Intermediate US //ˈpəɫˌseɪtɪŋ// UK //pˈʌlseɪtɪŋ// pul·sat·ing
v. to beat or throb in a regular, strong way. You use this to describe a heart, a drum, or a light that moves back and forth.
v. to beat or throb with a regular, rhythmic motion. Often describes biological processes like a heartbeat or mechanical vibrations like a drumbeat.
The drum is pulsating with a steady rhythm.
The city's heartbeat is the pulsating traffic that never seems to stop during the day.
The heart of the ancient temple was a massive stone that pulsating with a low, rhythmic sound that seemed to echo through the cavern walls.