ˈvaˈsabəˌranz noun
( plural vasa aberran·tia ˈ ̷ ̷ ̷ ̷ˌabəˈranch(ē)ə)
Etymology: New Latin, literally, deviating vessel
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