To purify a liquid by heating it until it vaporizes, then cooling and condensing the vapor, and collecting the resulting liquid. They distilled the water to remove any impurities.
To extract the essential meaning or most important aspects of something. The professor distilled the complex theory into a simple explanation.
To produce a concentrated form of something by a process of gradual refinement. The writer distilled his experiences into a compelling novel.
(intransitive) To undergo distillation; to evaporate and then condense in drops. Moisture distilled from the cooling pipes and dripped into the tray.