a small Scottish alloy or copper coin current in the 15th and 16th centuries
plack in American English
(plæk)
noun
a very small copper coin used in Scotland in the 15th and 16th centuries as a four-penny piece
Word origin
[1425–75; late ME placke ‹ MD: name of a coin]This word is first recorded in the period 1425–75. Other words that entered Englishat around the same time include: control, extreme, flange, introduce, survey