the grey or black powder created when something is burned
The end of his cigar was full of ashes.
After the wildfire swept through the forest, all that remained were acres of scorched earth and ash.
She placed the burnt log in the fireplace, and as it smoldered, it left a pile of gray ash behind.
The volcanic eruption spewed a massive cloud of ash into the sky, causing flight cancellations and disruptions in the region.
