intervein adjective 1verb 1forms 3 adjective1 •Between veins.Intervein areas of young leaves had significantly greater water content than similar areas in old leaves. — 1982 verb1 •To form veins mutually with.With this blue or grey colour is frequently intermixed a red tinge, proceeding from the iron that interveins the stone, and impregnates the soil. — 1810 formsinterveined · interveining · interveins