Even though I just shaved my eyebrows three hours ago, I'm already starting to get a unibrow.
I dyed my eyebrows to match my dress.
It takes me a couple hours to draw my eyebrows on every morning.
An eyebrow's hair is the individual eyebrow hair that makes them up.
This word uses the kun'yomi readings for both kanji. You've learned them both already, so you should be able to read this already!