From Longman Dictionary of Contemporary Englishbisectbi‧sect /baɪˈsekt $ ˈbaɪsekt/ verb [transitive] HMTWO formal to divide something into two equal parts A long cobbled street bisects the town from east to west.→ See Verb table
Examples from the Corpus
bisect• Steel arms, called tendons, horizontally bisect a building's core, stretching like ribs between beams in the walls.• They followed rivers for convenience, then struck out in a straight line, bisecting mountain ranges, cutting watersheds in half.• A cursory line from the eye to bisect the body helps to supply the tail angle.• The county council plans to build a bypass so that the A148 will no longer bisect the conservation village of Letheringsett.• At the stairs a short hall bisected the rectangular corridor, leading to the bathroom on the other side.• Our pre-war apartment is spacious, with windows on three sides and a central hallway that roughly bisects the rooms.• It performs a special dance, walking in a circle which it then bisects while vigorously waggling its abdomen.Origin bisect (1600-1700) bi- + -sect (as in intersect) 