emery board
English
Noun
emery board (plural emery boards)
- An abrasive strip made by gluing grains of emery onto a rigid material. Often used as a nail file.
- 2009, Chris Epting, The Early Polo Grounds, page 1948:
- He was known for throwing the “emery ball,” a baseball that had been scuffed with a piece of emery board hidden in the heel of his glove.
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