1. (n.) Any one of numerous species of singing birds belonging to Turdus and allied genera. They are noted for the sweetness of their songs.

2. (n.) Any one of numerous species of singing birds more or less resembling the true thrushes in appearance or habits; as the thunderbird and the American brown thrush (or thrasher). See Brown thrush.

3. (n.) An affection of the mouth, fauces, etc., common in newly born children, characterized by minute ulcers called aphthae. See Aphthae.

4. (n.) An inflammatory and supportive affection of the feet in certain animals. In the horse it is in the frog.

African lethargy Asiatic cholera Chagres fever German measles Haverhill fever Philomel acute articular rheumatism ague alkali disease amebiasis amebic dysentery anthrax bacillary dysentery bastard measles black death black fever blackwater fever breakbone fever brucellosis bubonic plague bulbul cachectic fever canary cerebral rheumatism chicken pox cholera cowpox cuckoo dandy fever deer fly fever dengue dengue fever diphtheria dumdum fever dysentery elephantiasis encephalitis lethargica enteric fever erysipelas famine fever feathered songster five-day fever flu frambesia glandular fever grippe hansenosis hepatitis herpes herpes simplex herpes zoster histoplasmosis hookworm hydrophobia infantile paralysis infectious mononucleosis inflammatory rheumatism influenza jail fever jungle rot kala azar kissing disease lark lepra leprosy leptospirosis loa loa loaiasis lockjaw madness malaria malarial fever marsh fever mavis measles meningitis milzbrand mockingbird mumps nightingale oriole ornithosis osteomyelitis paratyphoid fever parotitis parrot fever pertussis pneumonia polio poliomyelitis polyarthritis rheumatism ponos psittacosis rabbit fever rabies rat-bite fever relapsing fever rheumatic fever rickettsialpox ringdove ringworm rubella rubeola scarlatina scarlet fever schistosomiasis septic sore throat shingles singing bird sleeping sickness sleepy sickness smallpox snail fever song sparrow songbird songster splenic fever spotted fever strep throat swamp fever tetanus tinea trench fever trench mouth tuberculosis tularemia typhoid typhoid fever typhus typhus fever undulant fever vaccinia varicella variola venereal disease viral dysentery warbler whooping cough yaws yellow fever yellow jack zona zoster