Webster’s Revised Unabridged Dictionary · 1913
Dicker
Dick′er (dĭk′ẽr), n. [Also daker, dakir; akin to Icel. dekr, Dan. deger, G. decher; all prob. from LL. dacra, dacrum, the number ten, akin to L. decuria a division consisting of ten, fr. decem ten. See Ten.] 1. The number or quantity of ten, particularly ten hides or skins; a dakir; as, a dicker of gloves. [Obs.]
A dicker of cowhides. Heywood.
2. A chaffering, barter, or exchange, of small wares; as, to make a dicker. [U.S.]
For peddling dicker, not for honest sales. Whittier.
Dick′er, v. i. & t. To negotiate a dicker; to barter. [U.S.] "Ready to dicker. and to swap." Cooper.