丁ちょう銀ぎんちょうぎんじ字FuriganaAudioMeanings1nounchōgin; Edo-period silver coinhistorical termA historical silver coin from the Edo period, shaped like a sea cucumber (海鼠). Used as currency before the Meiji Restoration.丁ちょう銀ぎんは江え戸ど時じ代だいに流りゅう通つうした銀ぎん貨かの一いっ種しゅです。Break this sentence down in the analyzerChōgin is a type of silver coin that circulated during the Edo period.博はく物ぶつ館かんで丁ちょう銀ぎんの実じつ物ぶつを見みた。Break this sentence down in the analyzerI saw an actual chōgin at the museum.