noun, masculine/maʁ.to/plural: marteaux
a hammer used for pounding; a machine tool that pounds; a hammer-shaped tool used to hit something, such as a gavel; a rapper; a door knocker; a piano or dulcimer hammer
“Au coup de marteau d'Emma, Charles, qui l'attendait, s'avança les bras ouverts et lui dit avec des larmes dans la voix:[…].”
Inherited from Middle French marteau m, from a back-formation from Old French marteaus (ca. 1140), plural of martel, from Late Latin martellus, from martulus, variant form of marculus, diminutive of Latin marcus, or from malleus.