noun
wattle
WAH-tul/ˈwɑːtl/
A fleshy flap on the head or neck of some birds.
The rooster's red wattles hang beneath its beak.

Etymology
Origin uncertain. The bird's fleshy flap is not securely connected with wattle, interwoven twigs.
More examples
- The turkey's wattle sways as it walks.
- Both hens and roosters have wattles.
- The farmer checks the chicken's swollen wattle.
Forms
wattle · wattles
wattled adjective — Having fleshy head or neck flaps.