noun. a viral disease of sheep and cattle that is transmitted by biting midges.
- blue (English)
- blewe (Middle English (1100-1500))
- tongue (English)
- tonge (Middle English (1100-1500))
Example sentences of the word bluetongue
1. Noun, singular or mass
One type of gnat, the biting midge, is a bloodsucker and is known to transmit bluetongue virus to livestock, which can be deadly.
2. Verb, base form
Sheep are particularly vulnerable to bluetongue virus and are more likely to become sick, and potentially die, from a run-in with a biting midge.