1.NounAn agreement by a toller with an owner of raw materials to process the raw material for a specified fee ("toll") into a product with the raw material and the product remaining the property of the provider of the raw material. E.g. converting fuel into electricity at a certain price.
2.NounAn agreement to deliver a specified amount of raw material per period through a particular processing facility.
3.NounAn agreement that has the effect of tolling or suspending the course of a fixed period of time, as a statute of limitations.