This is the 9907th most frequent Catalan word.
mossegat
"Bitten."
Here, 'mossegat' is used in its literal sense, referring to the act of biting.
El gos ha mossegat la sabata del nen.
The dog has bitten the child's shoe.
Here, 'mossegada' (past participle of 'mossegat') is used descriptively to indicate that the apple had been bitten.
Va dir que la poma estava mossegada quan la va veure.
He said the apple was bitten when he saw it.
In this sentence, 'mossegat' is part of the reflexive form 'mossegar-se,' meaning to bite oneself, showcasing a figurative usage.