ˈvēnəs adjective
Etymology: Latin venosus, from vena vein + -osus -ose
1.
a. : full of or characterized by veins : veiny , veined
a venous rock
b. : made up of or carried on by veins
the venous circulation
an open venous system
2. : of, relating to, or performing the functions of a vein
a venous inflammation
venous arteries
3. of blood : having passed through the capillaries and given up oxygen for the tissues and become charged with carbon dioxide and ready to pass through the respiratory organs to release its carbon dioxide and renew its oxygen supply : dark red from reduced hemoglobin : unoxygenated — compare arterial
• ven·ous·ly adverb