If something reminds you of a goat, you can describe it as caprine. You might tell your cousin that you love his caprine beard.
If you decide your little farm needs some caprine residents, it means that you're planning to get some goats. When you run into caprine complications, they will probably involve goats nibbling on things they're not supposed to eat. The adjective caprine, "goat-like," has been around since about 1600, and it comes from the Latin root word caper, or "goat."