vas aberrans

noun

vas ab·​er·​rans

ˈvaˈsabəˌranz

plural vasa aberrantia

ˈ⸗⸗ˌabəˈranch(ē)ə

1

: a blind tube that is occasionally present parallel to the first part of the vas deferens with which or with the epididymis it may communicate

2

vasa aberrantia plural : slender arteries that are only occasionally present and that connect the axillary or brachial artery and the radial or other artery of the forearm or the subclavian artery and the thoracic aorta

Word History

Etymology

New Latin, literally, deviating vessel

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now