| placeholder | (n) a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set |
| proxy | (n) a person authorized to act for another, Syn. procurator, placeholder |
| 〇〇 | [まるまる, marumaru] (n) symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship) [Add to Longdo] |
| 何々;何何 | [なになに, naninani] (pn, adj-no) (1) such and such (when being vague, placeholder, etc.); this and that; (int) (2) What?; What is the matter?; What are the items? [Add to Longdo] |