To turn (something) upside down or inside out; to place in a contrary order or direction.
to invert a cup, the order of words, rules of justice, etc.
To move (the root note of a chord) up or down an octave, resulting in a change in pitch.
To undergo inversion, as sugar.
To divert; to convert to a wrong use.
To turn (the foot) inwards.
The act of something being inverted; an inversion.