D defs.my
Entry 1 sense Webster, 1913

Sectionalize

· Sec·tion·al·ize · IPA
01 v. t. To divide according to geographical sections or local interests.
  1. 1.
    To divide according to geographical sections or local interests.[U. S.]
    “The principal results of the struggle were to sectionalize parties.” — Nicolay & Hay (Life of Lincoln).