gratte

/ɡʁat/gratter
1.
verbInd1stPresSing1,3

scratch (an itch)

scrape

strum/play (an instrument, informal)

Ça me gratte dans le dos, tu peux m'aider ?

My back is itching, can you help me?

2.
nounfeminine

guitar (slang, informal)

Il joue super bien de la gratte.

He plays the guitar really well.