“Covin is a secret assent determined in the hearts of two or more, to the prejudice of another: As if a tenant for term of life, or tenant in tail, will secretly conspire with another, that the other shall recover against the tenant for life the land which he holds, &c. in prejudice of him in the reversion.” Termes de la Ley 129 (1st Am. ed. 1812).
covin
covin (k[schwa]v-[schwa]n). Hist. A secret conspiracy or agreement between two or more persons to injure or defraud another. — Also spelled covine.