bollardWiktionary 原文中文来自 ECDICTn.系船柱构词拆分bole词根/词干+-ard后缀Someone who is in a specified condition (“pejorative agent suffix”).演变路径（由近及远）英语继承自 ←中古英语 bollard源自 ←中古英语 bole “tree trunk”源自 ←古诺尔斯语 bolr “stump, trunk”词源说明From Middle English bollard, probably from Middle English bole (“tree trunk”), from Old Norse bolr (“stump, trunk”), equivalent to bole + -ard (pejorative or diminutive suffix).释义（英文）名词 Noun(nautical) A strong vertical post of timber or iron, fixed to a wharf, dock, or the deck of a ship, to which the ship's mooring lines or towlines