〇〇
まるまる- 1symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship) Translated by Jiyomi
- 2certain ; unnamed ; undisclosed ; unidentified Translated by Jiyomi
Other writings and readings
○○
noun (common) (futsuumeishi)
JMdict entry 2146000. Source and licence.