同心
ど
う
し
ん
Meanings
1
noun, noun which may take the genitive case particle 'no'
concentricity
Technical term for having the same center, used in geometry and design.
This figure is composed of concentric circles.
3
Edo-period constable; policeman (historical)
historical term
Historical term for a low-ranking police official in the Edo period, subordinate to a 与力.
See also: 与力
In the Edo period, constables patrolled the town.