the act or practice of a person who preaches. the art of delivering sermons.
Is preaching a verb or noun?
preach verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com.
Can Preach be used as a noun?
Someone who preaches a worldview, philosophy, or religion, especially someone who preaches the gospel; a clergyman.