dive

[daɪv]
vb
to plunge headfirst into water
(of a submarine, swimmer, etc) to submerge under water
to fly (an aircraft) in a steep nose-down descending path, or (of an aircraft) to fly in such a path
to rush, go, or reach quickly, as in a headlong plunge
he dived for the ball
to dip or put (one's hand) quickly or forcefully (into)
to dive into one's pocket
to involve oneself (in something), as in eating food
(of a footballer) to pretend to have been tripped or impeded by an opposing player in order to win a free kick or penalty
n
a headlong plunge into water, esp one of several formalized movements executed as a sport
an act or instance of diving
a steep nose-down descent of an aircraft
a disreputable or seedy bar or club
the act of a boxer pretending to be knocked down or out
he took a dive in the fourth round
the act of a player pretending to have been tripped or impeded