pulsans

Etymology
Present active participle of.

Participle

 * 1) pushing; striking, beating, battering, hammering, knocking on; pulsating
 * 2)  urging or driving on, impelling, moving, agitating, disturbing, disquieting
 * 3)  accusing, defaming; injuring, insulting
 * 4)  removing, putting out of the way; dispelling