ROUND (SOMETHING) DOWN


Meaning of ROUND (SOMETHING) DOWN in English

round something ↔ down phrasal verb ( see also ↑ round )

to reduce an exact figure to the nearest whole number ⇨ round up :

For the 1841 census it was decided to round down ages over fifteen to the nearest five.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.