noun, plural va·sa [vey-suh]. /ˈveɪ sə/. Anatomy, Zoology, Botany.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
Origin of vas
Definition for vas (2 of 2)
WORDS THAT USE VAS-
What does vas- mean?
In some instances, vas- specifically refers to the vas deferens, the duct that carries sperm to the penis.
Vas- is a variant of vaso-, which loses its -o– when combined with words or word elements beginning with vowels.
Want to know more? Read our Words That Use vaso- article.
Vas- comes from the Latin vās, meaning “vessel.” The Latin vās is also the source of the word vase, which is, after all, a type of vessel—often for flowers! And the diminutive form of vās is vāsculum, literally “little vessel”; it’s the source of the word vascular, commonly encountered in cardiovascular.
Examples of vas-
We know now that vas- refers to various “vessels” in the body, including the sperm-carrying duct known as the vas deferens. The -ectomy portion of the word vasectomy is a combining form meaning “excision,” specifically the removal of a part of the body. So, a vasectomy is literally just “excision of the vas deferens.”
What are some words that use the combining form vas-?
And have you ever used Vaseline? Well, the brand name of this popular petroleum product is actually a combination of the German Wasser (“water”) and the Greek word for oil.