Definition of: v, V

(vē) noun plural v's or V's, vs or Vs, vees (vēz)
1. The twenty–second letter of the English alphabet; ultimately from Phoenician vau, vocalized by the Greeks into upsilon, and used by the Romans in the form V with the value of a semivowel (w) and, later, a consonant (v). In English it was used interchangeably with the character u until fairly modern times. Compare U, W.
2. The sound of the letter v, the voiced, labiodental fricative. See ALPHABET.
—noun
1. A V–shaped piece, or two pieces at an acute angle, as part of a construction: also vee.
2. Colloq. A five–dollar bill.
—symbol
1. The Roman numeral five. See under NUMERAL.
2. Chem. Vanadium (symbol V).
3. Electr. Volt.
4. Anything shaped like a V.