planchet

(plan′c̸het, -c̸hit)

noun

a disk of metal to be stamped as a coin

Origin: Fr planchette, dim. of planche, plank

See planchet in American Heritage Dictionary 4

noun

A flat disk of metal ready for stamping as a coin; a coin blank.
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.

Origin:

Origin: Diminutive of planch, flat plate, slab

Origin: , from Middle English plaunche, plank

Origin: , from Old French planche

Origin: , from Late Latin planca

Origin: , from feminine of Latin plancus, flat; see plāk-¹ in Indo-European roots

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