ichidan verb, transitive verb
suspend between two points; build across; put up on
Used for spanning or placing something so it rests on two supports: a bridge, a clothesline, a leg on a table, etc. The kanji 架ける is specific to this meaning, but kana かける is more common.
川に橋を架ける計画がある。
There is a plan to build a bridge over the river.
テーブルに足
Please don't put your legs up on the table.