Pronunciation (UK) IPA (key): /ˈaɪsbɜːɡ/ (US) IPA (key): /ˈaɪsbɝɡ/ Audio (AU)(file) Hyphenation: ice‧berg Noun Singular iceberg Plural icebergs (countable) An iceberg is a very large piece of ice floating in the sea Related words glacier tip of the iceberg Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads