chunk 
/ˈtʃʌŋk/ noun
plural chunks /ˈtʃʌŋk/ noun [count] 1 : a thick piece of something
▪ She cut the fruit into large chunks. ▪ chunks of meat/ice/wood/pineapple 2 somewhat informal : a large amount or part of something
▪ She spends a good chunk of her day on the phone. ▪ He devoted a large chunk of time to the project. ▪ (US) He spent a big/hefty chunk of change [=a lot of money] on that car.
▪ She cut the fruit into large chunks. ▪ chunks of meat/ice/wood/pineapple
▪ She spends a good chunk of her day on the phone. ▪ He devoted a large chunk of time to the project. ▪ (US) He spent a big/hefty chunk of change [=a lot of money] on that car.
