○;〇 [まる]
(n) (1) (See 丸・まる・1) circle (sometimes used for zero)/(2) (See 二重丸・にじゅうまる) (ant: ×・ばつ・1) 'correct' (when marking)/(3) (See 〇〇・まるまる) symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship)/(4) (See 句点) period/full