丸のこ盤

まるのこばん

circular saw machine

丸のみ

まるのみ

gouge, scorper, scauper

日の丸

ひのまる

outline of the sun (esp. represented as a red circle)

二の丸

にのまる

outer citadel

西の丸

にしのまる

western citadel, west wing of the Edo castle (where the heir apparent or retired shogun would live)

三の丸

さんのまる

outermost region of the castle

丸っこい

まるっこい

round, spherical, circular

丸聞こえ

まるぎこえ

being able to hear everything (esp. when one was not intended to)

丸かっこ

まるかっこ

(round) parentheses

日の丸の旗

ひのまるのはた

flag having a red circle on a white background (esp. the Japanese national flag)

丸のまま

まるのまま

in its entirety, whole

データの丸め

データのまるめ

data rounding

丸葉の木

まるばのき マルバノキ

Disanthus cercidifolius

丸

がん まる

circle

のこのこ

unconcernedly, nonchalantly

親方日の丸

おやかたひのまる

attitude that with the state as one's boss, normal fiscal accountability can be dispensed with, dependence on the central government, attitude of those who assume their jobs are safe because they are government employees

日の丸弁当

ひのまるべんとう

hinomaru bento (contains plain white rice with a single red umeboshi on top)

丸窓

まるまど

circular window, round window

丸煮

まるに

boiling something whole (e.g. vegetable, fish), cooking something whole