east·er·ly I. \ˈēstərlē, -li; -R -təl- sometimes -təl-\adjective Etymology: obsolete English easter eastern (from Middle English ester, estern) + English -ly 1.: situated toward the east < the easterly shore > 2.: blowing from the east II. adverb 1.: from the east 2.: toward the east III. noun (-es) : a wind from the east