| CU | a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element |
|---|---|
| CU | the volume equal to a cube one foot on each side |
| CU | the volume equal to a cube one inch on each side |
| CU | the young of certain carnivorous mammals such as the bear or wolf or lion |
| CU | a male child (a familiar term of address to a boy) |
| CU | an awkward and inexperienced youth |
| CU | give birth to cubs, as of bears, for example |
| CU | a junior boy scout |
| CU | a most common shark in temperate and tropical coastal waters worldwide |
| CU | the largest island in the West Indies |
| CU | a communist state in the Caribbean on the island of Cuba |
| CU | a unit of measurement of volume or capacity |