thumbmark

1 of 2

noun

1

: an impression left by a thumb especially when used as a mark of identification

2

: a depression in the sides of a single comb of a fowl that is a defect in show birds

thumbmark

2 of 2

transitive verb

"

: to mark with the thumb

also : to take a thumbmark of (as for identification)

Word History

Etymology

Noun

thumb entry 1 + mark

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