D defs.my
Entry 1 sense Webster, 1913

Rhinestone

/rīn'-stōnˌ/ · Rhine·stone · IPA /ˈɹaɪnˌstoʊn/
01 n. A colorless stone of high luster, made of paste. It is much used as an inexpensive ornament.
  1. 1.
    A colorless stone of high luster, made of paste. It is much used as an inexpensive ornament.