Hay (noun)

1. Dried grass, clover, or other plants, used as feed for livestock.
2. A stack or a pile of hay.
3. An area of grassland used for growing hay.
4. A unit of measure of hay equal to 48 sheets, each sheet being 20x28 inches in size.
5. Any of various grasses, such as timothy, clover, or alfalfa, that are cut and dried for use as animal feed.

Origin:

Middle english hey, from old english hæg; akin to old high german hei hay.

Examples:

1. He was making hay while the sun shone.
2. The hay was stored in the barn.
3. The hayfield was ready for cutting.
4. The hay was measured in bales.
5. The hay was used to feed the cows in the winter.