noun
Chinese-style stir-fried vegetable noodle soup
A Japanese adaptation of a Chinese noodle dish, typically featuring stir-fried vegetables in a light broth.
from Chinese tāngmiàn
ランチにタンメンを食べた。
I had tanmen for lunch.
この店のタンメンは野菜がたっぷり入っている。
The tanmen at this restaurant has plenty of vegetables.
ラーメン is a broader category of Japanese noodle soup, while タンメン specifically refers to a Chinese-style stir-fried vegetable noodle soup.
From Chinese 湯麵 (tāngmiàn), meaning 'soup noodles'.