swingletreen.

英 'swɪŋg(ə)ltriː | 美 'swɪŋgl,tri

中文n. 马车前端的横木；马车梁

词根词源

swingletree (n.)mid-15c., from swingle "that which swings" + tree (n.) in obsolete Middle English sense "pole."

关键词

swingletree