English Reference
noun · verb

vein

n. · v.
US /ˈveɪn/ UK /vˈeɪn/ vein UK spelling veins

  1. 01 B2 Upper Intermediate Medicine

    n.one of the tubes in your body that carries blood back to your heart.

    n.a blood vessel that transports blood from the capillaries toward the heart.

    Simple

    The nurse looked for a vein in my arm to take a blood sample.

    In context

    The surgeon carefully avoided the major veins while performing the delicate procedure on the patient's leg.

  2. 02 C1 Advanced Technical Science

    n.a thin line of a different colour or material found in things like marble, cheese, or wood.

    n.a stripe or streak of a distinct colour or composition within a mineral, rock, or organic material.

    Simple

    The white marble had beautiful green veins running through it.

    In context

    Geologists discovered a rich vein of gold embedded deep within the quartz formation.

  3. 03 C1 Advanced Technical Science

    n.the thin lines that make up the framework of a leaf or an insect's wing.

    n.the vascular framework of a leaf or the structural nervure of an insect's wing.

    Simple

    If you look closely at the leaf, you can see the tiny veins that carry water.

    In context

    The biologist examined the intricate network of veins in the dragonfly's wing under a microscope.

  4. 04 C1 Advanced Literary

    n.a particular way of expressing yourself or a specific mood.

    n.a distinctive style, quality, or thematic tendency in speech or writing.

    Simple

    The comedian continued in a humorous vein, telling stories about his childhood.

    In context

    The author's later novels were written in a much more pessimistic vein than her early romantic works.

  5. 05 C2 Proficiency Formal

    v.to mark something with a pattern of lines that look like veins.

    v.to decorate or mark a surface with a vein-like pattern.

    Simple

    The artist used a fine brush to vein the painted pillars so they looked like real stone.

    In context

    The sunset was veined with streaks of deep purple and gold as the light faded over the horizon.

    streakmarbelize

It works by narrowing a vein at the back of the heart.

The Guardian· 24 Aug 2026

In this vein, a lot of esports injury research has pulled from the training methods of traditional sports.

The Conversation· 28 Aug 2026

From Middle English veyne, borrowed from Anglo-Norman veine, from Latin vēna (“a blood-vessel; vein; artery”) of uncertain origin. See vēna for more. Doublet of vena. Displaced native edre, from ǣdre (whence edder).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin vēna
Level C1 · Advanced
Frequency Frequent
Updated