Half-acre

[ey-ker] /ˈeɪ kər/

noun
1.
a common measure of area: in the U.S. and U.K., 1 acre equals 4,840 square yards (4,047 square meters) or 0.405 hectare; 640 acres equals one square mile.
2.
acres.

3.
Archaic. a plowed or sown field.
/ˈeɪkə/
noun
1.
a unit of area used in certain English-speaking countries, equal to 4840 square yards or 4046.86 square metres
2.
(pl)

3.
(NZ) farm the long acre, to graze cows on the verge of a road
noun
1.
(ˈɑːkrə). a state of W Brazil: mostly unexplored tropical forests; acquired from Bolivia in 1903. Capital: Rio Branco. Pop: 586 942 (2002). Area: 152 589 sq km (58 899 sq miles)
2.
(ˈeɪkə; ˈɑːkə). a city and port in N Israel, strategically situated on the Bay of Acre in the E Mediterranean: taken and retaken during the Crusades (1104, 1187, 1191, 1291), taken by the Turks (1517), by Egypt (1832), and by the Turks again (1839). Pop: 45 600 (2001) Old Testament name Accho (ɑːˈkəʊ) Arabic name `Akka (ɑːˈkɑː) Hebrew name `Akko (ɑːˈkəʊ)
n.

Old English æcer “tilled field, open land,” from Proto-Germanic *akraz “field, pasture” (cf. Old Norse akr, Old Saxon akkar, Old Frisian ekker, Middle Dutch acker, Dutch akker, Old High German achar, German acker, Gothic akrs), from PIE *agro- “field” (cf. Latin ager “field, land,” Greek agros, Sanskrit ajras “plain, open country”).

Originally in English without reference to dimension; in late Old English the amount of land a yoke of oxen could plow in a day, afterward defined by statute as a piece 40 poles by 4, or an equivalent shape (5 Edw. I, 31 Edw. III, 24 Hen. VIII). Original sense retained in God’s acre “churchyard.”
acre
(ā’kər)
A unit of area in the US Customary System, used in land and sea floor measurement and equal to 43,560 square feet or 4,047 square meters.

is the translation of a word (tse’med), which properly means a yoke, and denotes a space of ground that may be ploughed by a yoke of oxen in a day. It is about an acre of our measure (Isa. 5:10; 1 Sam. 14:14).