undertail
English
Etymology
Pronunciation
Audio (US): (file)
Adjective
undertail (not comparable)
Noun
undertail (plural undertails)
- (ornithology) The ventral part of the tail of a bird.
- The underside of a tail.
- 2005, Reader's Digest, Encyclopedia of Australian Wildlife[1]:
- 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.