easterly

(noun) a wind from the east. Synonyms: east wind, easter.

(adj) lying in or toward the east. Synonyms: eastern. Examples: "The east side of new york." "Eastern cities."

(adj) from the east; used especially of winds. Synonyms: eastern. Examples: "An eastern wind." "The winds are easterly."

(adv) from the east. Example: "The winds blew easterly all night."