(AMOUNT) [noun] [C] - an amount of food or drink which fills your mouth, or which you put into your mouth at one timeHe only ate a few mouthfuls, then he said he couldn't eat any more."Would you like some more chicken?" "Yes, I'll have another mouthful, please."
MOUTHFUL
Meaning of MOUTHFUL in English
Cambridge English vocab. Кембриджский английский словарь. 2012