Lexical Definition

‎מַעֲנָה‎ maʻănâh (mah-an-aw') furrow ^H:N-F
from ‎עָנָה‎, in the sense of depression or tilling

[phrase] acre, furrow.

• a furrow

1) ploughing ground, place for task

Brown-Driver-Briggs

‎מַעֲנָה‎ noun feminine place for task (?), specifically field for ploughing: — plural suffix ‎לְמַעֲנוֺתָם‎ Ps 129:3 Kt they have extended their ploughing-grounds (Qr ‎מַעֲנִיתָם‎); singular ‎מַעֲנָה‎ only 1Sam 14:14, where text corrupt and meaning dubious see Commentaries

‎מַעֲנִית‎ Ps 129:3 Qr see foregoing.

Brown-Driver-Briggs References