nicker⁴ /nikˈər/

1. A clay marble (also knicker)
2. The round seed of a Caesalpinia (or Guilandina if this is considered a separate genus), used for playing marbles (also nickˈar)

• CCF
• CCJ
• C clef
• CCLRC
• CCMI
• CCR
• CCS
• CCT
• CCTV
• CCU
• C-cubed
• c/d
• cd
• CD
• Cd
• CDC
• CD-i
• CDI
• C. diff
• C. difficile
• CDMA
• CDN
• Cdn
• CDO
• CD-R