Or (feminine) gdudah {ghed-oo-daw'}; from gadad; a furrow (as cut) -- furrow.
see HEBREW gadad
H1417. gedud
or gedudah II. [גְּדוּד, or גְּדוּדָה] noun [masculine or feminine] furrow, cutting —
1 furrow, plural defective גְּדוּדֶ֑הָ Psalm 65:11 ("" תְּלָמֶיהָ). 2 plural גְּדֻדֹת, cuttings upon hands, compare גדד Hithpo`el
2 sign of mourning Jeremiah 48:37 ("" שׂק).