Definition of ○ (まる)
まる
○
まる
maru
noun
1.
circle (sometimes used for zero)
See also:丸 (まる)
2.
'correct' (when marking)
See also:二重丸 (にじゅうまる)
3.
symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship)
See also:〇〇 (まるまる)
Other readings:
〇【まる】