thrush

US /θrʌʃ/
UK /θrʌʃ/
"thrush" picture
1.

a small or medium-sized songbird, typically having a brown back and spotted breast, and feeding on insects, worms, and berries.

:
The sweet song of the thrush filled the morning air.
We spotted a rare species of thrush during our birdwatching trip.
2.

an infection of the mouth and throat, especially in infants, caused by a Candida fungus and appearing as white patches.

:
The baby developed thrush, causing white patches in her mouth.
Oral thrush is common in newborns.