ろう 牢 LinksSentence search for 牢Sentence search for ろうSentence search for 籠Sentence search for 篭Kanji details for 牢Edit in JMdict Noun1. prison; jail; gaol'taru' adjective2. firm; solid; strongObsolete term, See also 牢としてOther forms籠 【ろう】、篭 【ろう】 Discussions Log in to talk about this word.