noun
A small ceramic, wooden, or metal object placed on the table to rest chopsticks on, keeping the tips off the table surface.
食事のときは、箸置きに箸を置いてください。
Please place your chopsticks on the chopstick rest during the meal.
Compound of 箸 (hashi, 'chopsticks') and 置き (oki, 'placing'), from the verb 置く (oku, 'to put').