manual gesture home sign https://en.wikipedia.org/wiki/Category:Home_sign https://en.wikipedia.org/wiki/Home_sign https://www.wikidata.org/wiki/Q4388663 A gestural communication system, often invented spontaneously by a deaf child who lacks accessible linguistic input. Home sign systems often arise in families where a deaf child is raised by hearing parents and is isolated from the deaf community. Because the deaf child does not receive signed or spoken language input, these children are referred to as linguistic isolates. kitchen sign