noun
ash tray; ash pit
Refers to a container or receptacle for ash, such as from a stove, fireplace, or incense burner. Can also denote a pit for ash disposal.
ストーブの灰落としを空にしてください。
Please empty the ash tray of the stove.
庭に灰落としの穴を掘った。
I dug an ash pit in the garden.
灰皿 is the common word for a small ashtray for cigarettes, while 灰落とし is more often used for larger ash receptacles or pits.
Compound of 灰 (はい, 'ash') and 落とし (おとし, nominalized form of 落とす, 'to drop'). Literally 'ash dropper' or 'ash collector'.