Little Horn litt·le·horn uncommon noun 1. a river that flows from northern Wyoming into the Bighorn River in southern Montana; site of Custer''s Last Stand SynonymsLittle BighornLittle Bighorn RiverLittle Horn Related words Broader terms river Parts WyomingMontana WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
