Yes, lows is a Scrabble word!

Verb

1. Make a low noise, characteristic of bovines

Noun

1. An air mass of lower pressure; often brings precipitation

2. British political cartoonist (born in New Zealand) who created the character Colonel Blimp (1891-1963)

3. A low level or position or degree

4. The lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving