V4

V4

English

Etymology 1

From V(isegrád) + 4 (the number of countries involved).

Proper noun

V4

  1. (politics) The four Visegrád countries of Poland, Hungary, Slovakia and the Czech Republic, who have a European political alliance.
    • 2016 July 23, Kate Connolly, The Guardian:
      There was fury among V4 members when, the day after the Brexit result was revealed, only the foreign ministers from the EU’s six founding states were invited to Berlin by the German foreign minister, Frank-Walter Steinmeier, to pledge their support for an “ever closer union”.

Etymology 2

From V- +‎ 4.

Noun

V4 (plural V4s)

  2. (mechanical engineering) An internal combustion engine with four cylinders in two banks of two in a V-shaped formation.
    Alternative form: V-4
    Hypernyms: internal combustion engine, ICE, piston engine, reciprocating engine < engine < machine
    Coordinate terms: V2, V6, V8, V10, V12, V16

Etymology 3

Noun

V4 (plural V4s)

  1. (anatomy) Ellipsis of visual area V4.
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