quart

In a sentence

• El rellotge marca un quart de tres.

  The clock shows fifteen minutes past two.

  Here, 'quart' means 'quarter' of an hour, referring to fifteen minutes.

• El meu germà és el quart de quatre germans.

  My brother is the fourth of four siblings.

  In this sentence, 'quart' refers to the ordinal number 'fourth' in a sequence.

• Vam dividir el pastís en quarts iguals.

  We divided the cake into equal quarters.

  Here, 'quart' is used to indicate a quarter part of the whole.