a reduction in the amplitude of an oscillation as a result of energy being drained from the system to overcome frictional or other resistive forces

the death of young seedlings as a result of a fungal infection encouraged by damp conditions

make (something) slightly wet

damp a small area with water

make a fire burn less strongly by reducing the flow of air to it

he damped down the fire for the night

reduce or stop the vibration of (the strings of a piano or other musical instrument) so as to reduce the volume of sound

the muted notes should be produced by damping the strings at the seventh position

an ensemble of drums including a foot-damped instrument