Definition of prepubis
1 : the part of the pubis of a reptile or bird that lies in front of the acetabulum, is best developed in ornithischian dinosaurs in which it is regarded as the homologue of the true pubis of other reptiles and higher groups, and in birds is derived largely from the ilium
2a : epipubis b : an epipubic bone
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of prepubis
New Latin, from pre- + pubis
Seen and Heard
What made you want to look up prepubis? Please tell us where you read or heard it (including the quote, if possible).