しだん 試弾 LinksSentence search for 試弾Sentence search for しだんKanji details for 試 and 弾Edit in JMdict Noun, Suru verb, Transitive verb1. trying out (a piano, organ, etc.); test-playingNoun, Suru verb, Transitive verb2. test-firing (a gun, cannon, etc.)Rare term Discussions Log in to talk about this word.