Dictionary.net

• A long measure of 100 Greek, or 101 English, feet; also, a square measure of 10,000 Greek feet.

2010 - New Age Dictionary Database
By Oddity Software

• A long measure of 100 Greek, or 101 English, feet; also, a square measure of 10,000 Greek feet.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.