The current population of the United States of America is 326,870,573 as of Saturday, September 2, 2017, based on the latest United Nations estimates. the United States population is equivalent to 4.34% of the total world population.
Definition of bayonet. : a steel blade attached at the muzzle end of a shoulder arm (as a rifle) and used in hand-to-hand combat.
1. 1  a daggerlike steel weapon that is attached to or at the muzzle of a gun and used for stabbing or slashing in hand-to-hand combat. 2  a pin projecting from the side of an object, as the base of a flashbulb or camera lens, for securing the object in a bayonet socket. 3  to kill or wound with a bayonet.