bluetongue

词干

词干

From blue +‎ tongue. The disease is named after one of its visible signs, cyanosis of the tongue.

1(uncountable, veterinary medicine) A disease of ruminants, caused by Bluetongue virus of the genus Orbivirus, carried by mosquitos, midges etc. [from 19th c.]
2countable, AustraliaThe blue-tongue lizard. [from 19th c.]
3countable, Australia, New Zealand, colloquialSomeone who is as sleepy as a lizard; a lazy person. [from 20th c.]