To plunge into, under, or within anything, especially a fluid; to dip; to immerse.
To disappear by entering into any medium, as a star into the light of the sun.
To land suddenly or heavily; to plump down.
To pluck and quickly release (a musical string).
To be a truant from (school).
To intentionally hit the batter with a pitch.
To croak.
To drop or throw something heavily onto or into something else, so that it makes a dull sound.
The dull thud of something landing on a surface.