Entry 1 sense Webster, 1913 Paladin /păl'-əd-ĭn/ · Pal·a·din · IPA /ˈpælədɪn/ 01 n. A knight-errant; a distinguished champion; as, the paladins of Charlemagne. 1. A knight-errant; a distinguished champion; as, the paladins of Charlemagne.