n.
Function: noun
Date: 1700
1 : the act or an instance of diving: as a (1) : a plunge into water executed in a prescribed manner (2) : a submerging of a submarine (3) : a steep descent of an airplane at greater than the maximum horizontal speed b : a sharp decline
2 : a shabby and disreputable establishment (as a bar or nightclub)
3 : a faked knockout ― usually used in the phrase take a dive
4 : an offensive play in football in which the ballcarrier plunges into the line for short yardage