Idea of Bar Icon
The icon is a wine glass. The glass is a classic tulip glass that you would put wine into, underneath the tulip part that would hold some wine or other liquid in it is a narrow stem. Within the glass is some liquid.
This Bar 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 6,200 icons, all in the same style and quality.