The rhythmical throbbing of arteries produced by the regular contractions of the heart, especially as palpated at the wrist or in the neck. A regular or rhythmical beating. A single beat or throb. Physics A brief sudden change in a normally constant quantity: a pulse of current; a pulse of radiation. Physics Any of a series of intermittent occurrences characterized by a brief sudden change in a quantity. The perceptible emotions or sentiments of a group of people: "a man who had . . . his finger on the pulse of America\u201d ( Thomas P. O'Neill, Jr.) To pulsate; beat: "The nation pulsed with music and proclamation, with rages and moral pretensions\u201d ( Lance Morrow). Physics To undergo a series of intermittent occurrences characterized by brief, sudden changes in a quantity. take the pulse of To judge the mood or views of (a political electorate, for example): The politician was able to take the pulse of the grass-roots voters. The edible seeds of certain pod-bearing plants, such as peas and beans. A plant yielding these seeds.