Nouns

(n)east, due east, eastward, Ethe cardinal compass point that is at 90 degrees
(n)eastthe direction corresponding to the eastward cardinal compass point
(n)easta location in the eastern part of a country, region, or city

Adjectives

(a)eastsituated in or facing or moving toward the east

Adverbs

(r)eastto, toward, or in the east“we travelled east for several miles”, “located east of Rome”