U. S. variant of WHIPPLETREE.
1855. Bristed, in Cambr. Ess., 65. Whiffle-tree, the invariable American for splinter-bar.
1868. Rep. U.S. Comm. Agric. (1869), 256. A boy can lead a horse, with a suitable chain attached to the whiffletree.
1896. H. Porter, in Century Mag., Nov., 23/1. With trace-chains rattling and whiffletrees snapping over the stumps of trees they rushed pell-mell upon Longstreets bewildered men.