Cenchrea = "millet"
1) the eastern harbour of Corinth (i.e. its harbour on the Saronic Gulf) and the emporium of its trade with the Asiatic shores of the Mediterranean, as Lechaeum on the Corinthian Gulf connected it with Italy and the west
Part of Speech: noun proper locative
Probably from κέγχρος kegchros (millet); Cenchreae, a port of Corinth: - Cenchrea.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root Κεγχρεαί; click on the second column to search for that grammatical form of the root Κεγχρεαί; click on the third column to search for that word and grammatical form; click on the total to search for the root Κεγχρεαί.