dig

a mattock. In Yorkshire they distinguish between digging and graving ; to dig is with a mattock, to grave with a spade.

Dig
·add. ·noun = Gouge. II. Dig ·add. ·noun An act of digging. III. Dig ·add. ·noun A tool for diggin...

Webster's Dictionary of the English Language
dig
A poke, punch; and metaphorically, a reproof. A sly dig like the above in "The Sun" [newspaper] is ...

Dictionary of American Words And Phrases by John Russell Bartlett.