大盛り

1. Origins, structure, and basic meaning

• Structure: 大盛り is read as おおもり and is a noun for a serving larger than the standard portion.
• Basic usage: Choosing a large serving of rice appears in 御飯を大盛りにする, while a large serving of fried noodles appears in 大盛りの焼きそば.

2. Common pitfalls and similar expressions

• Ordering and modifying a noun
  • 大盛りにする selects a larger portion, while 大盛りの modifies the name of the dish receiving that portion.
• Difference from おかわり
  • 大盛り means receiving more in the initial serving, while おかわり is an additional serving requested after the first.