To mingle; to mix; to unite intimately; to pass or shade insensibly into each other.

“To make hummus you need to blend chickpeas, olive oil, lemon juice and garlic.”

To be mingled or mixed.

To pollute by mixture or association; to spoil or corrupt; to blot; to stain.

The act or result of something being blended.

“blendings of old and new”