Jisho

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Noun
1. smoke grenade; smoke shell
Wikipedia definition
2. Smoke grenadeSmoke grenades are canister-type grenades used as ground-to-ground or ground-to-air signaling devices, target or landing zone marking devices, or as screening devices for unit movements. Smoke grenades are normally considered non-lethal, although incorrect use may cause death. The body consists of a sheet steel cylinder with a four emission holes on top and one on the bottom to allow smoke release when the grenade is ignited.
Read “Smoke grenade” on English Wikipedia
Read “発煙弾” on Japanese Wikipedia
Read “Smoke grenade” on DBpedia

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