pillow

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A cloth case, stuffed with something soft, such as down, feathers, or foam rubber, used to cushion the head, especially during sleep.
2. n. A decorative cushion.
3. n. The pad on which bobbin lace is made.
4. v. To rest (one's head) on or as if on a pillow.
5. v. To serve as a pillow for: Grass pillowed my head.
6. v. To rest on or as if on a pillow.
7. v. To assume the shape of a pillow.

Century Dictionary and Cyclopedia

1. n. A head-rest used by a person reclining; specifically, a soft elastic cushion filled with down, feathers, curled hair, or other yielding material, used to support the head during repose. In India, China, Japan, and other warm countries of the East a light bamboo or ratan frame with a slightly concave or crescent-shaped top is used as a pillow.
2. n. A block or support resembling such a cushion in form or use. Nautical, the block on which the inner end of a bowsprit is supported.
3. n. A kind of plain fustian.
4. To rest or place on or as on a pillow for support.
5. To rest the head on or as on a pillow.

Wiktionary

1. n. A soft cushion used to support the head in bed.
2. n. geology A pillow lava.
3. v. transitive To rest as on a pillow.

GNU Webster's 1913

1. n. Anything used to support the head of a person when reposing; especially, a sack or case filled with feathers, down, hair, or other soft material.
2. n. (Mach.), rare A piece of metal or wood, forming a support to equalize pressure; a brass; a pillow block.
3. n. (Naut.) A block under the inner end of a bowsprit.
4. n. A kind of plain, coarse fustian.
5. v. To rest or lay upon, or as upon, a pillow; to support.

WordNet 3.0

1. n. a cushion to support the head of a sleeping person
2. v. rest on or as if on a pillow