noun
ken (approx. 1.818 m)
Traditional Japanese unit of length, equal to 6 shaku. Still used in architecture and carpentry contexts.
この柱の間隔は一間です。
The spacing between these pillars is one ken.
counter
counter for gaps between pillars
Used in traditional architecture to count the number of intercolumnar spaces.
この建物は正面が五間あります。
This building has five ken across the front.