To destroy or abolish something.
To obscure or eclipse something.
To hunt down (a species) to extinction.
To bring about the extinction of a conditioned reflex.
To put out, as in fire; to end burning; to quench.
To die out.
To kill.
To block, suppress, restrain.
To take no action on; to hold in reserve without actually using.
To hold an official inquiry regarding; to deliberate about.
To be a member of.
Used other than figuratively or idiomatically: see sit, on.
To restrain (a person).