fishplate

名词 fishplate:

1. metal plate bolted along sides of two rails or beams

fish.plate

n.（名词）
A metal or wooden plate bolted to the sides of two abutting rails or beams, used especially in the laying of railroad track.
接合板，鱼尾板：尤指用在铁路枕木上的钉在两个毗连的栏杆或梁木上的金属板或木板

来源：
Probably from French fiche [peg] from Old French * see microfiche
可能源自 法语 fiche [栓，钉] 源自 古法语 *参见 microfiche
plate
plate