横割り

よこわり【横割り】

〔横に割ること〕 splitting sideways; (a) horizontal division; 〔横断的な組織〕 an intersectional organization; a horizontally-organized department [group, etc.].

●部局を横割りに組織する organize the department horizontally.

●横割りの組織[編成] horizontal organization [formation].