1
- a book or other collection of financial accounts of a particular type明细账, 分类账：
the total balance of the purchases ledger.
购物账总结算额。
2
- a flat stone slab covering a grave石板墓盖。
3
- a horizontal scaffolding pole, parallel to the face of the building脚手架横杆。
4
- a weight used on a fishing line without a float, to anchor the bait in a particular place鱼饵定位坠子, 固定底饵：
as modifier ledger tackle.定位坠子（固定底饵）渔具。
词源
late Middle English legger, ligger (denoting a large bible or breviary)， probably from variants of LAY1 and LIE1 , influenced by Dutch legger and ligger. Current senses date from the 16th cent., except the fishing senses， known from the 17th cent.