From garaph; something thrown off (by the spade), i.e. A clod -- clod.
see HEBREW garaph
[מֶגְרָפָה] noun feminine shovel (Late Hebrew id.; Aramaic מַגְרוֺפִיתָא; Arabic (see Lane)) only plural מֶגְרְפֹתֵיהֶם Joel 1:17 (Thes clods, after Jewish interpreters, so AV RV, compare however MeiJoel 100 f; ᵐ5 Me ארותיהם their cribs, of cattle; meaning of clause dubious).