Third person singular simple present of to furrow.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "furrows" in a sentence
"He sat there one whole hour – two whole hours, and he thought so hard that his forehead lay in furrows; but he was none the wiser."
"Mojave, but the motel has a painting of Midwestern grain furrows."
"She was finally recalling the furrows ploughed on her father's ground at the foot of the hill, and she was dismayed that she had contrived to forget what she had seen."