Definitions of crystal:
- noun:    a protective cover that protects the face of a watch
- noun:    glassware made of quartz
- noun:    a crystalline element used as a component in various electronic devices
- noun:    a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
- noun:    a solid formed by the solidification of a chemical and having a highly regular atomic structure
- noun:    colorless glass made of almost pure silica
- name:  A female given name (common: 1 in 483 females; popularity rank in the U.S.: #102)
- name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #14943)