n. 悸动, 震动

[化] 脉动

[医] 搏动

Pulsation \Pul*sa"tion\, n. [L. pulsatio a beating or striking:
cf. F. pulsation.]
1. (Physiol.) A beating or throbbing, especially of the heart
or of an artery, or in an inflamed part; a beat of the
pulse.

2. A single beat or throb of a series.

3. A stroke or impulse by which some medium is affected, as
in the propagation of sounds.

4. (Law) Any touching of another's body willfully or in
anger. This constitutes battery.

By the Cornelian law, pulsation as well as
verberation is prohibited. --Blackstone.