noun
large serving; large portion
Used mainly at restaurants to request a larger-than-standard portion of food. Often contrasted with 並盛り (regular) and 特盛り (extra-large).
ラーメンを大盛りで注文した。
I ordered a large serving of ramen.
この店は大盛りにしても値段が変わらない。
At this restaurant, the price doesn't change even if you get a large portion.