BDB1477
II. [גְּדוּד, or גְּדוּדָה] noun [masculine or feminine] furrow, cutting —
1.
furrow, plural defective גְּדוּדֶ֑הָ
Ps 65:11
(|| תְּלָמֶיהָ).
2. plural גְּדֻדֹת, cuttings upon hands, compare גדד
Hithpo`el 2, sign of mourning Jer 48:37 (|| שׂק).