This is the 1336th most frequent French word.
morceau
"Piece" or "bit."
The word 'morceau' means 'piece' in this context, referring to a fragment or portion of the cake.
J'ai mangé un morceau de gâteau.
I ate a piece of cake.
Here, 'morceau' refers to a composition, indicating a work of music.
Ce morceau de musique est magnifique.
This piece of music is magnificent.
In this sentence, 'morceau' signifies a part of the whole, a component that has become detached from the windowpane.