ornament

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Something that decorates or adorns; an embellishment.
2. n. A person considered as a source of pride, honor, or credit: a singer who is an ornament to the world of opera.
3. n. Music A note or group of notes that embellishes a melody.
4. v. To furnish with ornaments: ornamented the windows with hanging plants.
5. v. To be an ornament to: "The babies ornament her ankles, dangle from her pant legs” ( Carolyn Chute).

Century Dictionary and Cyclopedia

1. n. Any accessory, adjunct, or trapping that serves for use or for both use and adornment, or such accessories, adjuncts, or trappings collectively; hence, equipment, vesture, dress, attire, etc. Thus, in the Catholicon Anglicum (1483), the ornaments of the bed (ornamenta lecti) are enumerated as the pillow, bolster, bedclothes, etc.; and in ecclesiastical usage all accessories used in divine worship, as the holy vessels, the fittings of the altar and chancel, the vestments of the clergy and choir, the font, coronæ, etc., are called ornaments.
2. n. Something added as an embellishment; that which embellishes or adorns; whatever lends or is intended to lend grace or beauty to that to which it is added or belongs, as a jewel, a rhetorical embellishment, etc.
3. n. An honorary distinction; a decoration; a mark of honor.
4. n. One who adds luster to one's sphere or surroundings: as, he is an ornament of his profession.
5. n. Embellishment or adornments collectively or in the abstract; adornment; ornamentation; decoration: as, a thing suitable for either use or ornament.
6. n. Outward appearance; mere display.
7. n. Synonyms Embellishment, adornment. See adorn.
8. To adorn; deck; embellish: as, to ornament a building with sculpture or painting.
9. Synonyms Adorn, Ornament, Decorate, etc. See adorn.

Wiktionary

1. n. An element of decoration.
2. n. A Christmas tree decoration
3. n. music A musical flourish that are unnecessary to the overall melodic or harmonic line, but serve to decorate or "ornament" that line.
4. v. To decorate.
5. v. To add to.

GNU Webster's 1913

1. n. That which embellishes or adorns; that which adds grace or beauty; embellishment; decoration; adornment.
2. v. To adorn; to deck; to embellish; to beautify.

WordNet 3.0

1. v. be an ornament to
2. v. make more attractive by adding ornament, colour, etc.
3. n. something used to beautify