Word parts tank + -er Pronunciation IPA (key): /ˈtæŋkə(r)/ Audio (AU)(file) Noun Singular tanker Plural tankers (countable) (nautical) A tanker is a type of ship which carries large amounts of liquid, for example oil. (countable) (aviation) (military) A tanker is an aircraft that carries a large supply of jet fuel for aerial refueling of other aircraft. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads