Function: transitive verb
Date: 1827
1 : to cover or incorporate by burying < dig in compost>
2 : to establish in a dug defensive position <the platoon was well dug in >
intransitive verb
1 : to establish a defensive position especially by digging trenches
2 a : to go resolutely to work b : to begin eating
3 : to hold stubbornly to a position
4 : to scuff the ground for better footing while batting (as in baseball)
– dig in one's heels : to take or persist in an uncompromising position or attitude despite opposition