Vocabulary What does 樹齢 (じゅれい, jurei) mean? 樹齢 (じゅれい, jurei) means age of a tree. Quick factsReadingじゅれいRomajijureiPart of speechnoun 樹齢じゅれいjureiage of a tree1noun age of a treeKanji in this word樹tree; establishing, building up齢age