| CU | a man who is a stupid fool |
|---|---|
| CU | repeat monotonously, like a cuckoo repeats his call |
| CU | Eurasian plant with heart-shaped trifoliate leaves and white pink- or purple-veined flowers |
| CU | clock that announces the hours with a sound like the call of the cuckoo |
| CU | common perennial native to Europe and western Asia having usually pink flowers with ragged petals |
| CU | a bitter cress of Europe and America |
| CU | pejorative terms for an insane asylum |
| CU | a bee that is parasitic in the nests of bumblebees |
| CU | a bitter cress of Europe and America |
| CU | common European arum with lanceolate spathe and short purple spadix |
| CU | includes cuckoo |
| CU | birds having zygodactyl feet (except for the touracos) |