mattock
nounA digging tool with a flat blade set at right angles to the handle.
nounAn instrument for loosening the soil in digging, shaped like a pickax, but having its ends broad instead of pointed.
nounAn implement for digging and grubbing. The head has two long steel blades, one like an adz and the other like a narrow ax or the point of a pickax.
nounAn
a kind of pick that is used for digging; has a flat blade set at right angles to the handle