n. Any of various small coins used in Scotland and the Netherlands during the 15th and 16th centuries, having a value in Scotland of four pennies Scots.
the GNU version of the Collaborative International Dictionary of English
n. A small copper coin formerly current in Scotland, worth less than a cent.
The Century Dictionary and Cyclopedia
n. A Scotch billon coin current in the fifteenth century (from 1468), and also in the sixteenth century. It was worth 4 pence Scotch (about two thirds of the United States cent), and under James VI. 8 pence Scotch.
Word Usage
"“Do so, my bonny chield; thou hast sharp ears and eyes, and good will — but take heed — I would not lose thee for two and a plack [an homely Scottish expression for something you value].”"