noun
regular serving; medium portion
Used at restaurants for a standard-sized portion, between 大盛り (large) and 小盛り (small).
ラーメンは並盛でお願いします。
I'll have a regular serving of ramen, please.
並盛だと少し物足りないので、いつも大盛りにしている。
A regular portion isn't quite enough, so I always get a large.
Compound of 並 (なみ, 'average, ordinary') and 盛 (もり, 'serving, helping').