I assume that's a typo and you think the answer is OXLIPS rather than CLIPS!
"Neat" is a crossword word for a cow, ox, etc. See here (it gives it as "archaic, but preserved in crosswords")
https://www.crosswordunclued.com/2010/05/cows-lowers-neat.html#:~:text=neat%20%E2%80%93noun,animal%20of%20the%20genus%20Bos.