Eskimo-Aleut es·ki·moa·leut uncommon noun 1. the family of languages that includes Eskimo and Aleut SynonymsEskimo-Aleut language Related words Word family Eskimo-Aleut language Broader terms natural language Narrower terms EskimoAleut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.