زیرسیگاری

thumb|right|A glass ashtray, holding a lit cigarette in an edge indentation with a small box of matches nearby An ashtray is a receptacle for ash from cigarettes, cigars, and other smokable products. Ashtrays typically are made of fire-retardant material such as glass, heat-resistant plastic, pottery, metal, or stone. It differs from a cigarette receptacle, which is specifically for discarding cigarettes after being smoked.