trestle
/ˈtresəl/noun
1- a framework consisting of a horizontal beam supported by two pairs of sloping legs, used in pairs to support a flat surface such as a table top支架。
1.1
- short for TRESTLE TABLE.TRESTLE TABLE的简称。
1.2
- （亦作trestlework）an open braced framework used to support an elevated structure such as a bridge（桥等悬吊结构的）栈架结构, 排架系统。
1.3
- （亦作trestletree）each of a pair of horizontal pieces on a sailing ship's lower mast supporting the topmast（支撑中桅的）帆船桅顶纵桁。
词源
Middle English: from Old French trestel, based on Latin transtrum 'beam'.