This is an icon for a cocktail. The part where you pour the drink it is an upside down triangle with a circle attached to its left side. There is a straight line which attaches to a flattened triangle on the bottom
This Cocktail icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.