Noun
(countable, uncountable) The outer pod of the tiny fruit of a number of species in the genus Zanthoxylum widely grown and consumed in Asia as a spice. Not closely related to black pepper or to chilli peppers.
(uncountable) Spice made from this pod.
(countable) A plant producing the pods, Zanthoxylum
Source: en.wiktionary.orgAnd boy, did I get some numb lips, hello Sichuan pepper. Source: Internet
Using paper towels, pat the steak dry before grinding over with Sichuan pepper. Source: Internet