Noun
A small pocketknife; formerly, a knife used for making and mending quill pens.
Source: Webster's dictionaryIn general Spanish, they are known as cortaplumas (penknife, when it comes to folding blades); in Spain, Mexico, and Costa Rica, they are colloquially known as cutters; in Argentina and Uruguay the segmented fixed-blade knives are known as "Trinchetas". Source: Internet
Eddie (2013), p. 8. Late in 1844, Charles Hallé visited Chopin and found him "hardly able to move, bent like a half-opened penknife and evidently in great pain", although his spirits returned when he started to play the piano for his visitor. Source: Internet