This is the 4671st most frequent Spanish word.
chaleco
Vest.
Here, 'chaleco' refers to an article of clothing worn to keep warm.
Me compré un chaleco nuevo para el invierno.
I bought a new vest for the winter.
In this case, 'chaleco' denotes a safety garment designed for flotation in water.
El chaleco salvavidas es obligatorio en esta embarcación.
The life jacket is mandatory on this boat.
This usage of 'chaleco' describes a fashionable vest typically worn with formal attire.