1.
unlimited self-serve portions; help yourself to as much as you like
A dining arrangement where customers can serve themselves as much food as they want, typically at a buffet or salad bar.
サラダバーは盛り放題です。
At the salad bar you can help yourself to as much as you like.
A compound of 盛る (to heap, to serve food onto a plate) and 放題 (as much as one likes). The 〜放題 suffix attaches to verb stems to create "all-you-can-X" expressions. This one specifically refers to food you serve yourself in unlimited quantities.
Common collocations
- ごはん盛り放題: unlimited rice servings
- サラダ盛り放題: help-yourself salad, as much as you like
- 盛り放題サービス: a help-yourself, unlimited-portions offer