Tenkirin (also called tenkibashira or goshouguruma) is a poll made with stone or wood having a wheel built in it which is placed at the entrance of a temple or a graveyard.
天気輪（てんきりん）、天気柱（てんきばしら）もしくは後生車（ごしょうぐるま）は、寺や墓場の入り口付近に置かれている輪のついた石もしくは木製の柱のこと。