This is a slice of a melon fruit. It has a hard shell on the outer slice and then in the middle is the flesh of the melon. The very middle part of the slide has a bunch of the melon's seeds in it.
This Melon 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.