1. a person or tool that produces a grain or granular texture on a surface, especially in painting, printing, or woodworking
Usage: often used in art and craft contexts
2. a device or machine used to separate grain from chaff or to process grain
Usage: agricultural context

Examples

• The artist used a grainer to create a wood-grain effect on the canvas.
• A grainer is essential equipment in the grain processing facility.
• The painter applied the grainer with careful, deliberate strokes.
• Modern grainters can handle large volumes of grain efficiently.
• She purchased a specialized grainer for her decorative painting project.