k-oo-]
| 1. | Also called frog spit. a frothy secretion found on plants, exuded by the young of certain insects, as the froghoppers, and serving as a protective covering. |
| 2. | an insect that produces this secretion. |

| cuckoo spit n. A frothy mass of liquid secreted on plant stems as a protective covering by nymphs of the spittlebug. Also called frog spit. |