しん 芯 Common word JLPT N2 Wanikani level 47 Play audio LinksSentence search for 芯Sentence search for しんKanji details for 芯Edit in JMdict Noun1. wick; marrow; staple (for stapler); (pencil) lead; stuffing; pithNoun2. core; heart; centre; centerSee also 心 しんわたし私はからだ体のしん芯までひえき冷え切った。I was frozen to the bone.Noun3. pistil (of a flower)See also 蕊 しべNoun4. stamenSee also 蕊 しべ Discussions Log in to talk about this word.