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We found 20 dictionaries with English definitions that include the word pond scum: Click on the first link on a line below to go directly to a page where "pond scum" is defined. General (16 matching dictionaries) pond scum: American Heritage Dictionary of the English Language [home, info] pond scum: Collins English Dictionary [home, info] pond scum: Vocabulary.com [home, info] pond scum: Merriam-Webster's Online Dictionary, 11th Edition [home, info] pond-scum: Wordnik [home, info] pond scum: The Wordsmyth English Dictionary-Thesaurus [home, info] pond scum: Infoplease Dictionary [home, info] pond scum: Dictionary.com [home, info] pond-scum, pond scum: UltraLingua English Dictionary [home, info] Pond scum: Wikipedia, the Free Encyclopedia [home, info] pond scum: Rhymezone [home, info] pond scum: Free Dictionary [home, info] pond scum: Mnemonic Dictionary [home, info] pond scum: WordNet 1.7 Vocabulary Helper [home, info] pond scum: LookWAYup Translating Dictionary/Thesaurus [home, info] pond scum: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) pond scum: Encyclopedia [home, info] Medicine (1 matching dictionary) pond scum: Medical dictionary [home, info] Slang (1 matching dictionary) pond scum: Urban Dictionary [home, info] Tech (1 matching dictionary) POND SCUM: Lake and Water Word Glossary [home, info]

Quick definitions from WordNet (pond scum) ▸ noun:  free-floating freshwater green algae