What does «dilatar» mean in Spanish?

To increase the volume of a body by raising its temperature.

Examples of use in Spanish: "El calor hace dilatar el metal".
Widen.
Defer, postpone.

Examples of use in Spanish: "dilatar un asunto".
To propagate, to spread.

Examples of use in Spanish: "dilatar la fama".
(dilatarse) To go on at great length in a speech or writing.

Examples of use in Spanish: "dilatarse en argumentos".
(dilatarse) To extend, to widen.

Examples of use in Spanish: "la llanura se dilata hasta el horizonte".
(dilatarse) Delay, delay.

Examples of use in Spanish: "su llegada se dilata mucho".