ductule From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAny very small duct, typically lactiferous. Related wordsSynonymsductductulusductwayductusducturecaliductdenticuleduct fluteair-ductairductdripperair ductduckedicklingigneductduckletducky References Wiktionary — ductule Wikipedia — ductule