figure of speech
US /ˌfɪɡjər əv ˈspiːtʃ/
UK /ˌfɪɡjər əv ˈspiːtʃ/

1.
figura retórica, modismo
a word or phrase used in a non-literal sense for rhetorical or vivid effect
:
•
When she said her heart was broken, she was using a figure of speech.
Cuando dijo que tenía el corazón roto, estaba usando una figura retórica.
•
The phrase 'raining cats and dogs' is a common figure of speech for heavy rain.
La frase 'llover a cántaros' es una figura retórica común para la lluvia intensa.