Delegatus non potest delegare: (Latin: a delegate cannot delegate) A person to whom authority or decision-making power has been delegated by a higher source, cannot delegate that power to someone else, unless the original delegation explicitly authorised it.

Deponent: Person who swears an affidavit or deposition.

Descendant: Persons born of, or from children of, another. Grandchildren are descendants of their grandparents, as children are descendants of their natural parents. The law distinguishes between collateral descendants, such as nephews and nieces, and lineal descendants, such as sons and daughters.

Detinue: Tort involving the defendant”s retention of property belonging to the plaintiff after the plaintiff has demanded its return. The plaintiff may seek damages for the period of possession, even without proving any actual loss.

Devise: Transfer or conveyance of real property by will. The person who receives such property is called the devisee.

Director of Public Prosecutions: Independent official who decides whether to prosecute in criminal cases and in whose name all criminal prosecutions are taken.

Discovery: Sworn disclosure of documents and records. Certain types of document which are “privileged” need not be discovered, but they must be identified to the other side.

Distraint: Seizure of personal property to compel a person to fulfil a legal obligation. Formerly landlords had the power to distrain against the property of a tenant for arrears of rent or other default, but such action is now forbidden in relation to premises let solely as a dwelling. A legal action for the restoration of goods that have been distrained is called replevin.

District Court: Lowest court in the Irish judicial system, with power to award damages up to £5,000 in civil cases.

District Judge: Judge of the District Court, addressed as “Judge”.