undertail
adj 2noun 2
Definitions
adj
1
Beneath a tail.
2
On the underside of the tail.
noun
1
The ventral part of the tail of a bird.
2
The underside of a tail.
The whiptail wallaby is a slender, long-tailed, long-limbed macropod. […] its belly and the base of its undertail are white; the rest of its tail, feet and paws are dark.
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