A simple kind of prehistoric flint implement; = SCRAPER 4 e.
1865. W. Greenwell, in Archæol. Jrnl., XXII. 101. Arrowheads … and the so-called ‘thumb-flints.’ Note. The commonest type of the ‘thumb-flint’ is the round one…; an oval form is also frequent.
1896. Spurrell, ibid., LIII. 46. Thumb-flints, or slicking-knives.
1900. Thumbfint [see SCRAPER 4 e].
