名词指南; 指路标; （道路交叉口的）指路牌，（指形）路标
1. 指路牌：fingerplate 指板 | fingerpost 指路牌 | fingerprint 指纹
2. 指向柱：fingernail impression ==> 指甲痕 | fingerpost ==> 指向柱 | fingerprint ==> 指纹,指纹图谱,指纹印,指纹照片,手印=>指紋
3. 指南/指标：fingerplate /指板/ | fingerpost /指南/指标/ | fingerprint /指纹/采指纹/
noun
1. a guidepost resembling a hand with a pointing index finger
Synonym: fingerboard