Dig In
WordNet
verb
(1) Eat heartily
"The food was placed on the table and the children pitched in"
(2) Occupy a trench or secured area
"The troops dug in for the night"
WiktionaryText
Verb
dig in
- To begin eating.
- I wanted to say grace before dinner, but the kids were already digging in.
- To make a burst of hard work.
- I've got to dig in for a couple of weeks to secure my promotion.
- To dig trenches to resist an enemy attack. (This meaning is extended by metaphor to cricket and other situations.)
- To adopt a resolute state of mind (often: to dig in one's feet, heels, etc.)