Ager

(Latin) a field or plot of land with definite boundaries; opposed to 'terra', which is land that does not necessarily have definite boundaries.
Found on http://www.hestories.info/greco-roman-world-glossary.html

ager

(agri) farm, field, acre.
Found on https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

Ager

[river] The Ager is a river in Upper Austria; it is the discharge of Lake Attersee by Kammer Schörfling and Seewalchen, and by Lambach it flows into the Traun. The Ager emerged towards the end of the Würm glaciation, when the mighty glaciers began to melt. Influx into the Ager: Over the Attersee the Ager also receives water from the Monds...
Found on http://en.wikipedia.org/wiki/Ager_(river)

ager

Latin, meaning: land, countryside, fields.
Found on http://archives.nd.edu/aaa.htm

Ager

The raised mound of a Roman road
Found on http://homeworkhelp.stjohnssevenoaks.com/glossary.htm
No exact match found