thumbmark
nounDefinition of thumbmark
(Entry 1 of 2)
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
transitive verb
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Definition of thumbmark (Entry 2 of 2)
: to mark with the thumb
also
: to take a thumbmark of (as for identification)
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