water-furrow1
/ˈwɔːtəˌfʌrəʊ/Agriculture
noun
A deep furrow made to remove surface water from the ground and improve drainage.
Origin
Old English. From water + furrow.
water-furrow2
/ˈwɔːtəˌfʌrəʊ/verb
[with object] To dig furrows in (land) to drain surface water. Frequently in pass.
Origin
Early 16th century; earliest use found in John Fitzherbert (d. 1531). From water-furrow.