Meaning
A metal oil drum or barrel, usually blue, red or grey with ridges around it. It stands for oil, fuel, industrial liquids and bulk storage.
Use it for oil prices, energy news, industrial work and shipping: “Oil prices are up again 🛢️ fuel will follow”. It also turns up in video-game talk about explosive barrels. Pair with ⛽ for petrol, 🏭 for industry or 📈 for prices.