Meanings (ES + gloss)
fruncir
To press (one's lips) in and together so that they protrude.
1901, Matilde Serao, The Land of Cockayne, translator not credited, London: Heinemann, Chapter IV, p. 72, https://archive.org/details/landofcockayne00seraiala The serving Sister pu…
1916, Leonid Andreyev, "An Original" in The Little Angel and Other Stories, translated by W. H. Lowe, New York: Alfred Knopf, p. 85, https://archive.org/details/littleangelother00a…