noun
regular menu; standard menu
Refers to the main, full menu of a restaurant, as opposed to limited-time offers, lunch menus, or daily specials. Wasei-eigo from English 'grand menu'.
wasei-eigo (Japanese-coined English), from grand menu
ランチメニューだけでなく、グランドメニューもご注文いただけます。
You can order not only from the lunch menu but also from the regular menu.
この店のグランドメニューは品数がとても多い。
This restaurant's regular menu has a very large number of items.
Wasei-eigo (Japanese-made English) from 'grand menu'. Not used in English with this meaning.