Farrow/ˈfærəʊ/ Definition 1 of 2Pro Tip 1/3Agricultural Term Used mainly in farming contexts to discuss pigs' breeding. Let's check the breeding schedule to see when the sow will farrow. Pro Tip 2/3Specialized Usage Primarily used by people involved in animal husbandry and veterinary medicine. I'm studying veterinary science to learn about how sows farrow. Pro Tip 3/3Expect Specificity Suggests a precise event; differs from 'give birth' which is more general. The farmer noted in his log that the sow would farrow in the early morning.