1. The 23rd letter of the English alphabet,
representing a labial-velar semi-vowel: a u
in consonantal function. It is called double
u because it was written uu or vv, which in
ligature resulted in w. It is not pronounced
before r (write, wren) and in cases like two
and sword.
2. Abreviation for west; in physics, symbol
for watt.