Posterior
Posterior noun - The part of the body upon which someone sits.
Usage example: the baseball players were always slapping one another on the posterior
Tail is a synonym for posterior (North American) in bottom topic. In some cases you can use "Tail" instead the word "Posterior" as a noun or an adjective, when it comes to topics like butt, behind, behind of animate being. informal substitute
Nearby Words: posteriority, posteriorly
Mutual synonyms
Both words in one sentence
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Three of them (goat, lion and dragon) emerge from her neck and the fourth one (snake) comes out of her posterior as a tail.
Source: Multiple Head Case - Coelophysis ("hollow form"), Coelurosauravus ("hollow lizard grandfather"), Opisthocoelicaudia ("posterior cavity tail").
Source: Useful Notes / Prehistoric Life -
Tailfin Walking: Averted with Flynn the elephant seal, who flops and hops while remaining upright (he even has a posterior), but played straight with Scrat when he's trawled through a mess of sea-junk and winds up half-gobbled by a fish, and has to walk around with its tail for a bit.
Cite this Source
Tail and Posterior. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/posterior/tail
Posterior & Tail. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/posterior/tail>.
Tail or Posterior. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/posterior/tail.
Google Ngram Viewer shows how "posterior" and "tail" have occurred on timeline