To castrate (a cockerel) in order to fatten it for table use.
To kill, deactivate (denature), or destroy (break apart) all living, viable microorganisms and spores on a surface, in a fluid, or contained in a compound, such as culture media or a medical product.
To deprive of the ability to procreate.
To redact (a document), removing classified or sensitive material.
To make unable to produce; to make unprofitable.