mattock n 1: a kind of pick that is used for digging; has a flat blade set at right angles to the handle
Mattock \Mat"tock\, n. [AS. mattuc; cf. W. matog.] An 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. [1913 Webster] 'T is you must dig with mattock and with spade. --Shak. [1913 Webster]
Mattock (1.) Heb. ma'eder, an instrument for dressing or pruning a vineyard (Isa. 7:25); a weeding-hoe. (2.) Heb. mahareshah (1 Sam. 13:1), perhaps the ploughshare or coulter. (3.) Heb. herebh, marg. of text (2 Chr. 34:6). Authorized Version, "with their mattocks," marg. "mauls." The Revised Version renders "in their ruins," marg. "with their axes." The Hebrew text is probably corrupt.