noun
plural steels
[noncount] a strong, hard metal made of iron and carbon
the industry that makes steel
[noncount] literary :things (such as weapons) that are made of steel
[singular] :the part of something that is made of steel
[count] :a device or tool that is made of steel
used to describe something or someone that is very strong
verb
steels; steeled; steeling
steel yourself
to make (yourself) ready for something difficult or unpleasant :to fill (yourself) with determination and courage