Find the word definition

Wikipedia
Roscommon–Leitrim (Dáil Éireann constituency)

Roscommon–Leitrim was a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas from 1969 to 1981. The constituency elected 3 deputies ( Teachtaí Dála, commonly known as TDs) to the Dáil, using the single transferable vote form of proportional representation (PR-STV).