breed of large shepherd dogs used in police work and as a guide for the blind
2
n a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc. n a barrier (usually thrown up hastily) to impede the advance of an enemy v render unsuitable for passage v prevent access to by barricading v block off with barricades
3
a short stout club used primarily by policemen n
4
a regular route for a sentry or policeman n
5
favored modern forms of jazz (e.g., bebop) n a regular route for a sentry or policeman n the rhythmic contraction and expansion of the arteries with each beat of the heart n the basic rhythmic unit in a piece of music n a single pulsation of an oscillation produced by adding two waves of different frequencies
