excambium

from The Collaborative International Dictionary of English v.0.48
Excambion \Ex*cam"bi*on\, Excambium \Ex*cam"bi*um\, n. [LL.
   excambium. See {Excamb}.] (Scots Law)
   Exchange; barter; -- used commonly of lands.
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
EXCAMBIUM. Exchange. (q.v.)
    

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