doubletree

n. (用双马拉车等时使用的)双驾横木

词形变化

doubletrees 复数 doubletrees

别名

double tree double-tree

释义与例句

n.
  1. 1.

    a device that connects two horses to a wagon or other implement. The tugs of a harness are connected to a singletree, two of which are connected to a doubletree, which, in turn, is connected to the implement.

词汇关系

名词

上位词 1

crossbar

词源

From double + tree.

来源：wiktionary