seg·re·gate1 / ˈsegriˌgāt/ • v. [tr.] (usu. be segregated) set apart from the rest or from each other; isolate or divide: handicapped people should not be segregated from the rest of society. ∎ separate or divide (people, activities, or institutions) along racial, sexual, or religious lines: blacks were segregated in churches, schools, and colleges | [as adj.] (segregated) segregated education systems. ∎ [intr.] Genetics (of pairs of alleles) be separated at meiosis and transmitted independently via separate gametes.DERIVATIVES: seg·re·ga·ble / -gəbəl/ adj.seg·re·ga·tive / -ˌgātiv/ adj.seg·re·gate2 / ˈsegrəgit; -ˌgāt/ • n. 1. Genetics an allele that has undergone segregation. 2. Bot. a species within an aggregate.