### Question
What is the definition of toxin?


### Answer
The definition of **toxin** is as follows in *18 U.S.C. § 1993*:

> given to that term in section 178(2) of this title; 

#### Citation:
  - *18 U.S.C. § 1993*
  - Heading: **PART I-CRIMES > CHAPTER 97-RAILROADS**

