Wal ‧ pole, Sir Rob ‧ ert /ˈwɔːlpəʊl, ˈrɒbət $ ˈrɑːbərt/ BrE AmE
(1676–1745) a British politician in the ↑ Whig party, who is usually regarded as the first British Prime Minister, a position which did not previously exist, and which he held from 1721 to 1742