Pronunciation enPR: shrŭb, IPA (key): /ʃrʌb/ SAMPA: /SrVb/ Audio (US)(file) Noun Singular shrub Plural shrubs (countable) A shrub is a plant. It is smaller than a tree, usually has many stems from the same base, and looks very much like a bush. I think the ball rolled under that shrub. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads