doubletreen.

/ˈdʌb(ə)ltriː/

Etymology: < double adj.¹ + tree n., after U.S. single-tree = swingletree n.

U.S.

The cross-piece to which the swingle-tree of a carriage, plough, etc. is attached.

ΚΠ

1847 Webster's Amer. Dict. Eng. Lang. (at cited word) A single-tree is fixed upon each end of the double-tree when two horses draw abreast.

1952 J. Steinbeck East of Eden xiii. 121 I saw him..take the double-tree off the hay rake.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	doubletree
释义	doubletreen. /ˈdʌb(ə)ltriː/ Etymology: < double adj.¹ + tree n., after U.S. single-tree = swingletree n. U.S. The cross-piece to which the swingle-tree of a carriage, plough, etc. is attached. ΚΠ 1847 Webster's Amer. Dict. Eng. Lang. (at cited word) A single-tree is fixed upon each end of the double-tree when two horses draw abreast. 1952 J. Steinbeck East of Eden xiii. 121 I saw him..take the double-tree off the hay rake. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < n.1847
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