A box filled with dirt or sand for a captive animal to dig in as enrichment.

(horticulture) To remove a spade's-depth of topsoil, then loosen the exposed subsoil with a fork, before replacing the topsoil; done to improve heavy or compacted ground for planting.

plural of digging fork

A durable stick, usually sharpened, often with attachments to facilitate pushing or pulling, used in subsistence agriculture for digging or tilling.

(idiomatic, usually with on) To examine in order to find negative information for public opinion, usually with the purpose of embarrassing or discrediting a person.

(informal, idiomatic) To put oneself in even more trouble.

(idiomatic, transitive) To save someone or something from trouble.

(idiomatic) to refuse to change one's plans or ideas, especially when counseled otherwise / Used other than figuratively or idiomatically: see dig, heel, in.

present participle of dig one's heels in

(idiomatic) To act in a determined manner by firmly maintaining one's beliefs, demands, situation, etc. in the face of opposition.