Volcanic basalt was used as manos and metates to grind seeds and corn.

To make it, toast and grind sesame seeds, then whisk them together with miso, a sweetener and soy sauce.

They made "molcajetes", a type of tool to grind seeds for food.

Women grinding seeds and pulses.

Upon this rock they ground acorns and other seeds into meal, slowly forming the cup-shaped depressions in the stone, which can still be seen today.

Some more expensive juicers will break down a lot of the fruit by grinding the core, rind, and seeds, Barr says.

Though turkeys have no teeth, they accumulate sand and small stones in their gizzards to grind hard seeds.

Sage-grouse lack a muscular gizzard and cannot grind and digest seeds; they must consume soft-tissue foods.

Grinding the pods and seeds together lowers both the quality and the price.

The Romans were the first to grind seeds on cone mills.