thumbkin

== English == === Etymology === From thumb +‎ -kin. === Noun === thumbkin (plural thumbkins) (historical) An instrument of torture for compressing the thumb; a thumbscrew. (rare, childish) The thumb. === References === “thumbkin”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.