underpart

== English == === Etymology === From under- +‎ part. === Pronunciation === === Verb === underpart (third-person singular simple present underparts, present participle underparting, simple past and past participle underparted) (transitive) To divide (a part) and assign subordinate portions of it. === Noun === underpart (plural underparts) A lower or underneath part. (ornithology, usually plural) Such a part of a bird. Hyponyms: underwings, undertail buffy underparts This bird species has tan underparts. Try to catch a glimpse when the bird takes off. === Anagrams === perdurant