- A galaxy having a spiral structure.旋涡星系，螺旋星系：具有螺旋形结构的星系
- calibre
- calibre
- calices
- calices
- caliche
- caliches
- calico
- calicoback
- calico bass
- calico bush
- calicoes
- calicos
- Calicut
- calif
- calif
- califate
- California
- California Baptist College
- California bay
- California College of Arts and Crafts
- California condor
- California Current
- California Institute of Technology
- California Institute of the Arts
- California laurel