Learn how to say Precautious correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word precaution:
a measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening:
he had taken the precaution of seeking legal advice
(precautions) informal contraception:
we never took precautions
late 16th century (in the sense ‘prudent foresight’): from French précaution, from late Latin praecautio(n-), from Latin praecavere, from prae ‘before’ + cavere ‘take heed, beware of’