わいせい 矮星 LinksSentence search for 矮星Sentence search for わいせいSentence search for わい星Kanji details for 矮 and 星Edit in JMdict Noun1. dwarf starAstronomyWikipedia definition2. Dwarf starOther formsわい星 【わいせい】 Discussions Log in to talk about this word.