צֶמֶד (tsemedtseh'-mednoun|masculinecouple)
[Heb] צֶמֶד ETCBC: צֶמֶד‎ (subs|span) OSHL: r.ci.ab TWOT: 1927a GK: H7538 Greek: βοῦς, γεώργιον, ζεῦγος
Derivation: a yoke or team (i.e. pair);
Strong's: hence, an acre (i.e. day's task for a yoke of cattle to plough)
KJV: acre, couple, [idiom] together, two (donkeys), yoke (of oxen).