Incidental Law and Legal Definition

Incidental are those things related to the main purpose, main thing or main expense. The following are two examples for incidental in two different contexts. An incidental beneficiary is someone who indirectly obtains a benefit as the result of the main purpose of the trust. For example, a grandchild might benefit from his/her parent receiving a gift which could be used by the entire family, or which h/she may inherit from the parent.