Yes, steels is a Scrabble word!

Verb

1. Get ready for something difficult or unpleasant

2. Cover, plate, or edge with steel

Noun

1. An alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range

2. A cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard

3. Knife sharpener consisting of a ridged steel rod